Practice Test 10 - 5th Grade Science
19 questions. Answer them in any order, then submit to see your score and every explanation.
- Chen stirred a sugar cube into hot tea; soon no cube was visible. What happened to the sugar particles?
- What does the monthly timeline reveal about how visible constellations change with seasons?
- The student noticed water warmed from $20^ $ to $60^ $; how is that different from total weight staying g?
- Yuki researches water protection; which sources could provide schedules, steps, and program results?
- The model shows plants store energy by moving sugar to which plant parts?
- In this experiment, Maya crushed a sealed bag of crackers; they became tiny pieces, but the scale read 60 g before and 60 g after. The crackers changed in appearance but not in weight. What does this show?
- When ocean waves (hydrosphere) pound cliffs, they cause the geosphere to erode.
- Emma's notebook entry says: Question—"What happens when we mix 1 tbsp baking soda with 30 mL lemon juice?" Prediction—"I think it will get fizzy." Procedure: 1) Mix the substances in a cup. 2) Clean up the table. 3) Record what happened. Which step should come right after mixing the substances to follow a good procedure order?
- Keisha spilled nail polish remover; after 5 minutes it disappeared from view and the counter was dry. Where are the particles now?
- After a sunny morning, a wet sidewalk becomes dry with no water seen. Based on this observation, particles of matter...
- Jamal stirs a sugar cube into water; it disappears, but tastes sweet. Based on this observation, particles of matter...
- Data: Sirius 51 trillion mi appears bright; Betelgeuse more luminous but 430 trillion mi appears dim. Which evidence supports the argument that distance is the primary reason for differences in apparent brightness?
- Chen writes an infographic on water conservation. What should he share to protect the hydrosphere?
- The data shows properties before and after mixing sand and water in a jar. Before mixing: - Sand: tan, Solid, grainy, no smell - Water: clear, Liquid, no smell, 21°C After mixing: - Mixture: cloudy water with sand grains visible, Liquid, no smell, 21°C After 5 minutes: - Sand settled at bottom; water became mostly clear again Which property stayed the same after mixing?
- Students notice that when they forget to water a plant, it wilts even in bright light. When watered again, it stands up and grows. Based on this, what materials do plants need to grow?
- Sofia examined a gray rock: rough, dull, hard, cool, non-magnetic, and it sank. Which properties were observed?
- The student wrote: "The mixture reacted." Based on observing and recording changes, what is the best way to improve that sentence?
- According to the food chain Sun → Leaves → Caterpillar, the caterpillar gets energy by?
- A deer uses energy to grow; following the energy pathway backward, it came from what?