Practice Test 5 - 2nd Grade Science
19 questions. Answer them in any order, then submit to see your score and every explanation.
- Carlos made a clay island model. What does the blue water around it represent?
- Emma tested two designs to catch melting ice water. Design A was a shallow wide bowl. Design B was a tall narrow cup. She put one ice cube in each for 10 minutes. Look at the test results data. Data: - What happened: A caught all water; B overflowed. - Space used: A used more space; B used less space. - Problems: A was big; B was too small. Based on the test results, which design worked better for saving space?
- Chen built a model clipboard. Why is the flat board shape important outside?
- Carlos created a model. What does the burr model represent?
- Chen gathered sources; which statement is supported by the information?
- Look at these changes. Explain with evidence which are reversible: ice melted, wax melted, bread toasted.
- Look at a wooden pencil, wooden stick, metal spoon, and rock. Which are wood?
- Keisha observed: Garden had 3 vegetables, 4 flower types, worms, bees, butterflies, ladybugs, spiders, birds. Sidewalk cracks had 1 weed type, ants, and 1 spider. Which habitat has greater diversity?
- Amir read a book: wind and water wear down rocks over thousands of years. He compared photos of the same desert rock from 1970 and 2020 and saw small rounding. Based on the sources, what do the photos show about erosion?
- Carlos plans: Plant A gets 2 tablespoons water daily; Plant B gets none. What will Carlos compare?
- Look at what the squirrel is doing. Why is burying acorns helpful for oak trees?
- Marcus sees art supplies fall off a classroom shelf and make a mess. He wants to understand how often it happens. Which question would help Marcus learn that?
- 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)?
- Look at the items. Which two objects are both smooth?
- The SAME 10 LEGO pieces made a car, airplane, and robot. How can this happen?
- Read about the problem Emma is trying to understand. Sand keeps blowing out of the sandbox onto the walkway, making it slippery. Emma asks: "What is happening right now?" "When does the sand blow out?" "Where does the sand land?" "Who is affected by the slippery walkway?" Why is Emma asking questions about the problem?
- Sofia visited Maple Town Park. Flat green land spreads wide for games. What land feature is it?
- Look at the objects. Which property can you use to sort them?
- Keisha will test plants for 10 days. What will she compare to answer the question?