Across
- 2. change in matter that produces one ore more new substances
- 4. a group of 2 or more atoms held together by chemical bonds
- 9. a change in which energy is absorbed
- 12. different parts cannot be easily separated
- 14. force of gravity on an object
- 15. a change in which energy is given off
- 16. amount of space matter occupies
- 18. anything that has mass and takes up space
- 20. made of two or more substances thar are together in the same place but not chemically bonded
- 21. amount of matter in an object
- 22. single kind of matter
- 23. study of matter and how it changes
Down
- 1. the measurement of how hot or cold something is
- 3. force of attraction between two atoms
- 5. matter is not created or destroyed in any chemical or physical change
- 6. different parts that can be separated out
- 7. substance made of two ore more elements that are chemically combined in a set ratio
- 8. a substance that cannot be broken down into any other substances by chemical or physical means
- 10. energy stored in the chemical bonds between atoms is a form of energy
- 11. total energy of the motion of all the particles in an object
- 13. measure of mass of a substance contained in a given volume
- 17. basic particle from which all elements are made
- 19. characteristics