Practice Test 11 - 2nd Grade Science
20 questions. Answer them in any order, then submit to see your score and every explanation.
- Look at the objects: rock, metal coin, glass marble, cotton ball, sponge, fabric scrap. Which two belong in the hard group?
- Jamal's class has many water spills. Tests: A box holds 100 papers, $0, gets wet; B lidded bin holds 40, $8, stays dry. Which design works better, and why?
- Based on Jamal's trip: a lake had ice on top, a stream had liquid water, and a well brought up underground water. What is true about water?
- Look at Maya's field journal. What information did she record about living things?
- Sofia's lunchbox has a problem: the ice pack melts by lunchtime. Sofia wants to understand why. Which question would help Sofia learn more?
- Look at the pinecone, sandpaper, plastic cup, and glass marble. Which are rough?
- Look at the observations. Chen saw solid (ice): ice cubes, snow, frozen puddle. He saw liquid (water): river water, puddles, water in a glass. What is an example of water as a liquid?
- The SAME 7 tangram pieces made a house and a boat. How can the same pieces do that?
- Amir sees garden erosion. Rain washes soil out of garden beds. The soil ends up on the sidewalk. Solution A: plant flowers with roots in the bed. Solution B: build a small rock wall edge as a barrier. Which solution uses plants to help?
- Yuki observed a beach habitat. How did she record observations of living things?
- Carlos made a clay island: tall mountain center, tan beach edge, blue water around, small lake side. What does the blue water around the edge represent?
- Yuki's class has a problem in the school garden. Plants do not get enough water on weekends. Yuki asks: "When do plants look driest?" "Who can water on weekends?" "Where is the water hose kept?" "What do we need to water them?" Which question would help the class learn who is affected?
- A plastic cup and a plastic straw belong together because both are ____.
- A block tower was taken apart. What pieces was it made of?
- Jamal built a model to keep small items from getting lost. He glued small boxes together, added cardboard dividers, and tested with erasers and clips. Why is the compartment shape important in Jamal's model?
- Chen asks, "Do plants need sunlight to grow?" Which setup is best?
- Test results: A mixed bin cleanup 2 minutes, hard to find; B divided tray cleanup 8 minutes, easy to find. Students must find counters quickly. Which design works better, and why?
- Keisha observed a school garden at 11:40 a.m., May 6, behind her school. She watched quietly and wrote a list in her notebook. She saw 4 tomato plants, 6 lettuce leaves on one bed, and 3 sunflowers near the fence. She noticed 2 bees on marigolds and 1 ladybug on a leaf. What information did Keisha record about the living things?
- Amir saw desks overflow. Which statement best describes the problem?
- Keisha's class makes lots of recycling papers each day. Tests: A box holds 100, $0; B lidded bin holds 40, $8. If capacity matters most, which design works better, and why?