Across
- 2. measure of the force of gravity acting on an object
- 6. anything that has mass and takes up space
- 7. how hot or cold something is
- 12. the principle that the total amount of matter is neither created nor destroyed during any chemical or physical change
- 14. amount of space that matter occupies
- 16. substance made of 2 or more elements chemically combined in a specific ratio, or proportion
Down
- 1. study of the properties of matter and how it changes
- 3. 2 or more substances that are together in the same place but their atoms are not chemically bonded
- 4. force of attraction that holds 2 atoms together
- 5. change change in which energy is released
- 8. ratio of the mass of a substance to its volume
- 9. amount of matter in an object
- 10. substance that cannot be broken down into any other substances by chemical or physical means
- 11. change change in which energy is absorbed
- 13. basic particle from which all elements are made
- 15. neutral group of 2 or more atoms held together by covalent bonds