Printable answer key
Earth Science Rocks and Water
Use this answer key after players complete the quiz or when reviewing a printed worksheet.
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1. Which rock type forms when melted rock cools and hardens?
Correct answer: A. Igneous
Explanation: Igneous rocks form when magma or lava cools and hardens.
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2. What is a mineral?
Correct answer: A. A naturally occurring solid with a definite composition
Explanation: A mineral is a naturally occurring solid with a definite chemical composition and structure.
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3. What does erosion do?
Correct answer: A. Moves weathered material
Explanation: Erosion moves weathered rock and soil by water, wind, ice, or gravity.
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4. What is weathering?
Correct answer: A. Breaking down rock into smaller pieces
Explanation: Weathering breaks rock into smaller pieces through physical or chemical processes.
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5. What part of the water cycle turns liquid water into vapor?
Correct answer: A. Evaporation
Explanation: Evaporation changes liquid water into water vapor.
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6. What part of the water cycle forms clouds from water vapor?
Correct answer: A. Condensation
Explanation: Condensation happens when water vapor cools and forms tiny liquid droplets in clouds.
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7. What can fossils tell scientists about?
Correct answer: A. Past life and environments
Explanation: Fossils provide evidence about past organisms and environments.
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8. What is magma?
Correct answer: A. Melted rock below Earth's surface
Explanation: Magma is melted rock beneath Earth's surface.
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9. Earthquakes often happen near what?
Correct answer: A. Faults
Explanation: Earthquakes often occur along faults, where rocks in Earth's crust move.
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10. What is groundwater?
Correct answer: A. Water stored below Earth's surface
Explanation: Groundwater is water stored underground in soil and rock spaces.