Q: What is the opposite of melting? Choices: - evaporation - liquidation - compression - freezing A:
freezing
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Q: What are formed when crystals precipitate out from a liquid? Choices: - diamonds - additive sedimentary rocks - gaseous sedimentary rocks - chemical sedimentary rocks A:
chemical sedimentary rocks
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Q: Pure substances have a constant composition and can only be changed through what? Choices: - heating - dissolution - liquid reactions - chemical reactions A:
chemical reactions
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Q: Represented in equations by the letter "g", what pulls objects down to the earth's surface? Choices: - energy - motion - light - gravity A:
gravity
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