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Across
- 1. A form of energy that makes things warm
- 5. A hard solid piece of the Earth made of minerals
- 6. Facts and information collected from experiments
- 7. Small pieces of rock and soil carried by water and wind
- 8. A natural solid substance found in the earth
Down
- 2. When water changes from a liquid to a gas
- 3. Vibrations that travel through the air and are heard by ears
- 4. A tiny particle of light energy