Across
- 7. he smallest particle of a substance that has all of the physical and chemical properties of that substance
- 8. The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
- 9. The atoms moveat a slow speed:water
- 10. The amount of matter in an object
- 12. A chemical substance that cannot be broken down into other substances by chemical reactions
- 13. A map or table with every element know to exist
- 16. A characteristic of a particular substance that can be observed in a chemical reaction
- 17. How much something weighs
- 20. Any material that possesses physical properties
Down
- 1. Water vapor being cooled into water: dew
- 2. mass of a unit volume of a material substance
- 3. A characteristic of a substance that can be observed or measured without changing the identity of the substance
- 4. An average of thermal energy
- 5. Continuous physical force exerted on or against an object by something in contact with it.
- 6. 1000 grams
- 11. Particles are packed very tightly, defined mass and volume
- 14. The space an object takes up
- 15. Everything around us is made up of this
- 18. The particles in this movie very quickly and unpredictably
- 19. Everything around us is made of this