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Science Review

Grade 5 · Stretch challenge · 10 questions · Version PG-11URGML-178N

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

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 18
  1. State Newton's third-law force pair when swimming.Push water back; water pushes swimmer forward
  2. What is the pH of a neutral solution?7
  3. What is the difference between weather and climate?Weather is short-term; climate is long-term patterns
  4. What cell structure contains genetic material?The nucleus
  5. What transfers traits from parents to offspring?Genes
  6. How do greenhouse gases warm Earth?They absorb and re-emit infrared energy
  7. What does conservation of energy mean?Energy changes form but is not created or destroyed
  8. Which layer of Earth is liquid iron and nickel?Outer core
  9. What is density?Mass per unit volume
  10. What type of boundary forms when plates move apart?Divergent boundary

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.