2nd Grade Science Quiz: Water As Solid And Liquid
20 questions · exam conditions
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Water As Solid And LiquidQuestion 1 of 20

Amir watched the weather. Solid (ice): hail on the ground, ice on a pond, frost on grass. Liquid (water): rain falling, puddles forming, water in a bottle. Which is an example of water as a solid (ice)?

Rain and puddles
Water in a bottle and rain
Hail and pond ice
Cold bottle and hard cap
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2nd Grade Science Quiz

2nd Grade Science Quiz: Water As Solid And Liquid

Practice Water As Solid And Liquid in 2nd Grade Science with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Water As Solid And Liquid, giving you a quick way to practice the rules, question types, and explanations that matter most for 2nd Grade Science.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

Amir watched the weather. Solid (ice): hail on the ground, ice on a pond, frost on grass. Liquid (water): rain falling, puddles forming, water in a bottle. Which is an example of water as a solid (ice)?

  1. Rain and puddles
  2. Water in a bottle and rain
  3. Hail and pond ice (correct answer)
  4. Cold bottle and hard cap
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include hail on the ground, ice on a pond, and frost on grass which are solid water, and rain falling, puddles forming, and water in a bottle which are liquid water. Choice C is correct because hail and pond ice are frozen water, making them solid, not liquid. Choice D represents confusing container properties with water state, which happens when students think cold or hard objects like bottles and caps mean the water is solid. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 2

Look at the observations from Jamal. Solid (ice): snow on the yard, a frozen puddle, ice cubes in the freezer. Liquid (water): water in a glass, water from the faucet, puddles after rain. Which shows liquid water?

  1. Snow and ice cubes
  2. Frozen puddle and snow
  3. Water in a glass and faucet water (correct answer)
  4. Ice cubes and frost
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include snow on the yard, a frozen puddle, and ice cubes in the freezer which are solid water, and water in a glass, water from the faucet, and puddles after rain which are liquid water. Choice C is correct because water in a glass and faucet water are water in liquid form that flows and can be poured. Choice A represents a reversal of classification, which happens when students mix up solid and liquid by choosing hard, shape-holding examples instead of flowing ones. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 3

Chen wrote notes at home. Solid (ice): ice cubes in lemonade, frost on the mailbox, a frozen puddle. Liquid (water): water from the hose, water in the sink, a puddle after rain. What did Chen observe that was liquid water?

  1. Ice cubes and frost
  2. Frozen puddle and frost
  3. Hose water and sink water (correct answer)
  4. Icicles and snow
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include ice cubes in lemonade, frost on the mailbox, and a frozen puddle which are solid water, and water from the hose, water in the sink, and a puddle after rain which are liquid water. Choice C is correct because hose water and sink water are water in liquid form that flows and can be poured. Choice A represents a reversal of classification, which happens when students reverse solid and liquid by selecting frozen examples instead of flowing ones. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 4

Carlos made observations. Solid (ice): ice on a pond, ice cubes in a tray, frost on a car. Liquid (water): a puddle in the driveway, water in a cup, water from the hose. Which examples show water as a liquid?

  1. Ice on a pond and frost
  2. Puddle and cup water (correct answer)
  3. Ice cubes and pond ice
  4. Hard tray and hard cup
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include ice on a pond, ice cubes in a tray, and frost on a car which are solid water, and a puddle in the driveway, water in a cup, and water from the hose which are liquid water. Choice B is correct because puddle and cup water are water in liquid form that flows and can be poured. Choice D represents confusing container properties with water state, which happens when students think hard objects like trays or cups mean the water is solid, ignoring the actual state. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 5

Read about what Sofia saw outside. Solid (ice): frost on a window, icicles on a tree, snow on the steps. Liquid (water): rain falling, puddles on the road, water in a cup. Which examples show water in solid form (ice)?

  1. Frost and icicles (correct answer)
  2. Rain and puddles
  3. Water in a cup and rain
  4. Cold cup and hard glass
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include frost on a window, icicles on a tree, and snow on the steps which are solid water, and rain falling, puddles on the road, and water in a cup which are liquid water. Choice A is correct because frost and icicles are frozen water, making them solid, not liquid. Choice D represents confusing container properties with water state, which happens when students think the hardness of objects like cups or glass determines if the water inside is solid. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 6

Read about what Maya saw. Which examples show solid water (ice)? Maya saw icicles, ice cubes, and water in a cup.

  1. Water in a cup and rain
  2. Ice cubes and icicles (correct answer)
  3. Cold water and puddle
  4. Bottle and water
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include icicles and ice cubes which are solid water, and water in a cup which is liquid water. Choice B is correct because both ice cubes and icicles are frozen water that holds its shape, making them solid forms of water. Choice A represents a common error where students mix liquid and solid forms, which happens when students don't carefully identify each example's state. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 7

Read about what Sofia saw. Solid (ice): frost, icicles, snow. Liquid (water): puddles, water from a faucet, rain. Which is frozen water (solid)?

  1. Water from a faucet
  2. Frost and icicles (correct answer)
  3. Rain and puddles
  4. Cold rain and faucet water
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Sofia saw frost, icicles, and snow as solid water, and puddles, water from a faucet, and rain as liquid water. Choice B is correct because frost and icicles are both frozen water, making them solid forms that are hard and hold their shape. Choice C represents a common error where students select liquid water examples (rain and puddles) when asked for frozen/solid water, showing confusion between the two states of water. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 8

Read about Jamal's day. Solid ice: frost and a frozen puddle. Liquid water: water in a cup and water in the sink. What did Jamal observe that was liquid water?

  1. Frost and frozen puddle
  2. Water in a cup and sink (correct answer)
  3. Ice cubes and snow
  4. Cold air and metal
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Jamal observed frost and a frozen puddle as solid ice, and water in a cup and water in the sink as liquid water. Choice B is correct because water in a cup and water in the sink are both liquid forms of water that can flow and be poured. Choice A represents a common error where students select the solid forms instead of liquid, which happens when students misread the question or confuse the categories. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Practice with real examples: ice cubes (solid) and water in cup (liquid).

Question 9

Yuki compared seasons. Winter: snow, frozen puddle, frost. Spring: rain, puddles, stream water. Based on the notes, which are liquids?

  1. Snow and frost
  2. Rain and stream water (correct answer)
  3. Frozen puddle and snow
  4. Ice cubes and icicles
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Yuki compared winter (snow, frozen puddle, frost as solid water) with spring (rain, puddles, stream water as liquid water). Choice B is correct because rain and stream water are both liquid forms of water that flow, pour, and take the shape of their container or path. Choice C represents a category error where students select solid water when asked for liquid, which happens when students don't recognize that frozen puddle and snow are hard and hold their shape, making them solid not liquid. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Show that both are water, just in different forms based on temperature.

Question 10

Maya wrote an observation log. Solid (ice): frost, snow, ice cubes. Liquid (water): rain, sink water, puddles. Which examples show water in liquid form?

  1. Frost and snow
  2. Rain and sink water (correct answer)
  3. Ice cubes and frost
  4. Snow and ice cubes
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include frost, snow, and ice cubes which are solid water, and rain, sink water, and puddles which are liquid water. Choice B is correct because rain and sink water are water in liquid form that flows and can be poured. Choice A represents reversing the classification of solid and liquid, which happens when students confuse solid examples like frost and snow with liquid water. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 11

Carlos wrote a science log. Solid (ice): ice on a pond, snow, ice cubes. Liquid (water): lake water, rain, water in a cup. Which is solid water (ice)?

  1. Lake water and rain
  2. Water in a cup and rain
  3. Ice on a pond and snow (correct answer)
  4. Cold juice and a bottle
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Carlos recorded ice on a pond, snow, and ice cubes as solid water, and lake water, rain, and water in a cup as liquid water. Choice C is correct because ice on a pond and snow are both frozen water, making them solid forms that are hard and maintain their shape. Choice B represents a classification error where students select liquid water when asked for solid, which happens when students don't understand that water in a cup and rain flow and pour, making them liquid not solid. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Practice with real examples: ice cubes (solid) and water in cup (liquid).

Question 12

Read Yuki's experiment. She froze water into ice cubes. She also saw rain and a puddle outside. Which is an example of water as a liquid?

  1. Ice cubes and rain
  2. Rain and a puddle (correct answer)
  3. Ice cubes and frost
  4. Cold metal and ice
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Yuki made ice cubes (solid water) and observed rain and a puddle (liquid water) outside. Choice B is correct because rain and a puddle are both liquid water—rain is water falling from clouds and puddles are water collected on the ground, both able to flow. Choice C represents selecting solid examples when asked for liquid, which happens when students don't carefully read what the question is asking for. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Practice identifying examples: have students point out liquid water around them (sink, drinking fountain, rain). Always emphasize reading the question to know whether it asks for solid or liquid examples.

Question 13

Look at the observations. Which shows liquid water? Jamal saw water in a cup, a puddle, and icicles.

  1. Icicles and frost
  2. Water in a cup and puddle (correct answer)
  3. Ice cubes and icicles
  4. Cold metal and ice
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include water in a cup and a puddle which are liquid water, and icicles which are solid water. Choice B is correct because water in a cup and puddle are both liquid forms of water that flow and take the shape of their container. Choice C represents a common error where students group all frozen forms together, which happens when students focus only on temperature rather than observing which examples can flow. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 14

Read about what Amir saw. Solid (ice): icicles, frost, ice cubes. Liquid (water): water in the sink, rain, puddles. Which is an example of water as a solid?

  1. Water in the sink
  2. Rain and puddles
  3. Icicles and frost (correct answer)
  4. Cold sink water and rain
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Amir saw icicles, frost, and ice cubes as solid water, and water in the sink, rain, and puddles as liquid water. Choice C is correct because icicles and frost are both frozen water, making them solid forms that are hard and hold their shape. Choice B represents a common error where students select liquid water examples (rain and puddles) when asked for solid water, showing confusion about which state is which. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 15

Read what Amir found outside. Solid ice: hail and a frozen puddle. Liquid water: rain and a stream. Which of these is frozen water (solid)?

  1. Rain and a stream
  2. Hail and frozen puddle (correct answer)
  3. Cold water and rain
  4. A hard cup and rain
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Amir found hail and a frozen puddle as solid ice, and rain and a stream as liquid water. Choice B is correct because hail (frozen raindrops) and a frozen puddle are both solid forms of water—they are hard and hold their shape. Choice A represents selecting liquid examples when asked for solid, which happens when students misread the question asking for frozen/solid water. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Show examples of different solid forms like hail and frozen puddles. Emphasize reading questions carefully to identify whether they ask for solid or liquid examples.

Question 16

Look at Jamal's notes. Solid (ice): snow, frozen puddle, ice cubes. Liquid (water): water in a cup, rain, puddles. Which shows liquid water?

  1. Snow and ice cubes
  2. Frozen puddle and snow
  3. Water in a cup and rain (correct answer)
  4. Ice cubes and frozen puddle
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include snow, frozen puddle, and ice cubes which are solid water, and water in a cup, rain, and puddles which are liquid water. Choice C is correct because water in a cup and rain are water in liquid form that flows and can be poured. Choice A represents reversing the classification of solid and liquid, which happens when students confuse solid examples like snow and ice cubes with liquid water. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 17

Marcus compared seasons. Winter: snow, icicles, frozen puddle. Spring: rain, puddles, water from a hose. Based on the notes, which are solids (ice)?

  1. Rain and hose water
  2. Snow and icicles (correct answer)
  3. Puddles and rain
  4. Hose water and puddles
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include snow, icicles, and frozen puddle which are solid water, and rain, puddles, and water from a hose which are liquid water. Choice B is correct because snow and icicles are frozen water, making them solid, not liquid. Choice A represents reversing the classification of solid and liquid, which happens when students mix up liquid examples like rain and hose water with solid water. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.

Question 18

Read Keisha's notes. Solid ice: ice cubes and a frozen puddle. Liquid water: water from a faucet and rain. Which shows liquid water?

  1. Ice cubes and frozen puddle
  2. Faucet water and rain (correct answer)
  3. Ice cubes and rain
  4. Cold air and faucet
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Keisha noted ice cubes and a frozen puddle as solid ice, and water from a faucet and rain as liquid water. Choice B is correct because faucet water and rain are both liquid water that flows—faucet water pours out and rain falls as drops of liquid water. Choice A represents selecting solid examples when asked for liquid, which happens when students focus on the wrong category or misread the question. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Have students turn on a faucet to see liquid water flowing. Emphasize careful reading to identify whether questions ask for solid or liquid examples.

Question 19

Read about what Emma saw. Solid (ice): ice cubes, frost, icicles. Liquid (water): rain, puddles, sink water. Which are solid water (ice)?

  1. Rain and puddles
  2. Ice cubes and frost (correct answer)
  3. Sink water and rain
  4. Cold water and a bottle
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). In this scenario, Emma observed ice cubes, frost, and icicles as solid water, and rain, puddles, and sink water as liquid water. Choice B is correct because ice cubes and frost are both frozen water, making them solid forms of water that are hard and hold their shape. Choice A represents a common error where students confuse liquid water examples, which happens when students don't understand that rain and puddles flow and pour, making them liquid not solid. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container.

Question 20

Read what Emma saw. Solid (ice): ice cubes, icicles, frost. Liquid (water): rain, puddles, sink water. Which examples show water in solid form (ice)?

  1. Rain and puddles
  2. Ice cubes and icicles (correct answer)
  3. Cold water and rain
  4. Puddles and sink water
Explanation: This question tests 2nd grade understanding that water can be solid or liquid (NGSS 2-ESS2-3: Obtain information to identify where water is found on Earth and that it can be solid or liquid). Water can exist in different forms. When water is very cold (at or below freezing temperature, 32°F or 0°C), it becomes solid—we call this ice. Solid water is hard and holds its shape (ice cubes, snow, icicles, frost, frozen puddles, hail). When water is warmer than freezing, it is liquid—it flows and pours and takes the shape of its container (water in cups, rain, puddles, rivers, water from faucet). The same substance, water, can be solid (frozen) or liquid depending on temperature. In this scenario, the examples include ice cubes, icicles, and frost which are solid water, and rain, puddles, and sink water which are liquid water. Choice B is correct because ice cubes and icicles are frozen water, making them solid, not liquid. Choice C represents confusing cold temperature with solid state, which happens when students think that cold water is solid like ice, but it is still liquid unless frozen. To help students identify solid and liquid water: Do a freezing/melting experiment—freeze water in ice cube tray, then let ice melt and observe the change from solid to liquid. Create a chart with two columns (Solid Water/Ice and Liquid Water) and have students brainstorm examples for each. Emphasize key properties: solid water (ice) is hard and holds its shape; liquid water flows and takes shape of container. Show that both are water, just in different forms based on temperature. Practice with real examples: ice cubes (solid) and water in cup (liquid). Watch for students who think cold water is solid just because it's cold, or who confuse the hardness of a container with the state of the water inside.