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Earth, Space & Weather

Grade 1 · Stretch challenge · 8 questions · Version PG-G3KO88-CDL9

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1.Explain “water cycle” in your own words.
2.Explain “front” in your own words.
3.Explain “atmosphere” in your own words.
4.Explain “groundwater” in your own words.
5.Explain “watershed” in your own words.
6.Explain “rock cycle” in your own words.
7.Explain “climate” in your own words.
8.Explain “plate tectonics” in your own words.

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 4
  1. Explain “water cycle” in your own words.the continuous movement of water on Earth
  2. Explain “front” in your own words.a boundary between air masses
  3. Explain “atmosphere” in your own words.the layer of gases surrounding Earth
  4. Explain “groundwater” in your own words.water stored in soil and rock below the surface
  5. Explain “watershed” in your own words.land that drains water to the same outlet
  6. Explain “rock cycle” in your own words.processes that transform rocks among major types
  7. Explain “climate” in your own words.long-term patterns of weather in a region
  8. Explain “plate tectonics” in your own words.the movement of large sections of Earth's crust

Worked example

Use observations and long-term patterns to explain Earth systems.

Common mistake

Confusing a short-term weather event with a climate pattern.

Helpful hint

Check the time scale in the question.