Practice Test 9 - 2nd Grade Science
18 questions. Answer them in any order, then submit to see your score and every explanation.
- Marcus tests two marigolds: one in window, one in cabinet. What is the test question?
- Maya saw swing arguments. What problem could a tool help solve?
- Keisha's class has a problem: art supplies keep falling off the shelf onto the floor. Keisha asks: "What is falling?" "Where on the shelf is it?" "How often does it fall?" "Why might it fall?" Why is Keisha asking questions about the problem?
- Keisha sketched a desk box with dividers. What is the purpose of dividers?
- Yuki needs a raincoat that stays dry in the rain. Look at the test results: paper soaked yes, fabric soaked yes, plastic soaked no, foil soaked no. Which material should be used? Explain using the test results.
- Amir makes a prediction for his test. Which prediction fits the plan?
- Amir hiked at Eagle Trail. Low land sits between two hills. What land feature is it?
- Carlos drew a brush holder with a flat base. How does the flat base help?
- Look at the kitchen items. Which describes the metal spoon?
- Look at the dog puzzle pieces. What do you observe?
- Amir saw river water (liquid) and hail on the ground (solid). What is true?
- Carlos saw rain making puddles and hail like ice balls. What do these observations show about water?
- 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?
- Jamal created a model. How does his burr model mimic nature?
- Keisha read a book: "Earthquakes can shake for seconds or minutes." She watched a video: "A river makes a canyon slowly over a very, very long time." What does the evidence show about Earth event speed?
- Chen compared a forest and a parking lot; which has more variety?
- Maya read a book: "Volcanoes can erupt for days." A scientist said mountains form over a very very long time. What did she learn?
- Yuki tested two watering bottles. Problem: water plants without spilling. Design A has 1 big hole. Design B has 5 small holes. Results: A is faster but spills sometimes; B is slower but never spills. What is a strength of Design B based on the test data?