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Science Review

Grade 5 · Building confidence · 10 questions · Version PG-J93BNZ-1K6R

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1.Which blood cells fight infection?
2.What transfers traits from parents to offspring?
3.Why do seasons occur?
4.What type of boundary forms when plates move apart?
5.How do greenhouse gases warm Earth?
6.What is the difference between weather and climate?
7.Which layer of Earth is liquid iron and nickel?
8.What is the pH of a neutral solution?
9.What does conservation of energy mean?
10.State Newton's third-law force pair when swimming.

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 10
  1. Which blood cells fight infection?White blood cells
  2. What transfers traits from parents to offspring?Genes
  3. Why do seasons occur?Earth's tilt as it orbits the Sun
  4. What type of boundary forms when plates move apart?Divergent boundary
  5. How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
  6. What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
  7. Which layer of Earth is liquid iron and nickel?Outer core
  8. What is the pH of a neutral solution?7
  9. What does conservation of energy mean?Energy changes form but is not created or destroyed
  10. State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward

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.