science
Across
- 2. the amount of matter in an object
- 11. the smallest building block of matter
- 12. a chart that organizes all known elements
- 13. the amount of space an object takes up
- 14. a state of matter with a fixed shape and volume
Down
- 1. how particles move inside matter
- 3. characteristics that describe matter
- 4. a measure of how hot or cold something is
- 5. a pure substance made of only one kind of atom
- 6. any thing that has mass or takes up space
- 7. two or more atoms joined together
- 8. a state of matter with no fixed shape or volume
- 9. a state of matter with a fixed volume but no fixed shape
- 10. a substance made of two or more different elements bounded together