Across
- 5. will change the appearance, without changing the composition of the material.
- 8. a property that can be observed and measured without changing the material’s composition.
- 10. depends on the amount of matter in the sample
- 11. beginning substances that start a reaction.
- 14. energy of motion
- 16. is absorbed or released
- 17. Matter is anything with mass that occupies space.
- 20. a measure of the amount of space that is occupied
- 21. is the energy possessed by an object due to its position, composition or condition
- 22. particles collide with enough energy to break into charged particles (+/-).
- 23. production (bubbling, fizzing, or odor change; smoke) (Not phase changes)
Down
- 1. substances that are formed during the reaction.
- 2. particles can move around, but are still close together.
- 3. Chemistry is the study of the composition, structure, and properties of matter and the changes it undergoes.
- 4. particles can separate and move throughout container.
- 6. process that releases energy into the surroundings
- 7. depends on the type of matter, not the amount present
- 9. a measure of the amount of matter.
- 12. not easily reversed
- 13. particles vibrate but can’t move around.
- 15. is the capacity to do work or transfer heat.
- 18. a process that absorbs energy from the surroundings
- 19. a substance that is currently a gas, but normally is a liquid or solid at room temperature.