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Across
- 2. The amount of matter in an object
- 3. Vibrations that travel through the air and are heard by ears
- 5. An object that attracts iron and some other metals
- 6. A state of matter that holds its shape
- 8. To say what you think will happen based on evidence
Down
- 1. A state of matter that spreads to fill any space
- 2. A natural solid substance found in the earth
- 4. The speed of something in a given direction
- 7. The tiny building block that makes up all living things