Across
- 1. a measure of the amount of matter
- 5. anything with mass that takes up space
- 6. a measure of a amount of space that's occupied
- 8. a mixture made of particles that are not uniformly distributed
- 10. energy of motion
- 12. a substance created from two or more chemically combined elements
- 14. substance made of atoms that have the same atomic number
Down
- 2. matter that has constant composition, all particles have same properties
- 3. absorbs energy from the surroundings
- 4. a mixture made of particles that are uniformly distributed
- 5. matter with variable composition that's made from two or more substances
- 7. the study of the composition, structure, and properties of matter
- 9. a substance that is a gas, but was a liquid or solid beforehand
- 11. process that releases energy into surroundings
- 13. to do work or transfer heat