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Science Review

Grade 5 · Building confidence · 10 questions · Version PG-IP44A1-1K6R

Children investigate a leaf and a frog with a caregiver beside a pond.
1.

What type of boundary forms when plates move apart?

2.

What evidence shows a chemical reaction occurred?

3.

What cell structure contains genetic material?

4.

Which layer of Earth is liquid iron and nickel?

5.

What is density?

6.

How do greenhouse gases warm Earth?

7.

Why does salt lower water's freezing point?

8.

What is the difference between weather and climate?

9.

Why are food webs more realistic than single food chains?

10.

What transfers traits from parents to offspring?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 16
  1. What type of boundary forms when plates move apart?Divergent boundary
  2. What evidence shows a chemical reaction occurred?New substances form
  3. What cell structure contains genetic material?The nucleus
  4. Which layer of Earth is liquid iron and nickel?Outer core
  5. What is density?Mass per unit volume
  6. How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
  7. Why does salt lower water's freezing point?It disrupts ice crystal formation
  8. What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
  9. Why are food webs more realistic than single food chains?Organisms have multiple food sources and predators
  10. What transfers traits from parents to offspring?Genes

Worked example

Connect the question to an observable process or scientific model.

Common mistake

Selecting a familiar term without checking its meaning.

Helpful hint

Explain why your answer makes sense.