Physical Science Chapter 11
Across
- 3. Anything that has mass and occupies space
- 7. substances are not uniformly mixed
- 9. this theory says that energy cannot be created or destroyed
- 11. the smallest unit of a substance that exhibits all of the properties characteristic of that substance
- 13. the smallest particle that has the properties of an element
- 15. substance that cannot be broken down into simpler substances
- 17. mixing occurs between individual units
- 18. the ability to change or move matter
- 19. any matter that has a fixed composition and definite properties
- 20. describes 2 or more liquids that are able to dissolve into each other in various portions
- 22. combination of more than one pure substance
Down
- 1. has four rules, one of them being particles are always moving
- 2. describes 2 or more liquids that do not mix into each other
- 4. the force exerted per unit area of a surface
- 5. a characteristic of a substance that cannot be observed or measured without changing the composition of the substance
- 6. theory that says mass cannot be created or destroyed
- 8. the way a substance reacts with others to form new substances with different properties
- 9. little free space between particles
- 10. lots of free space between particles
- 12. a substance made of atoms of more than one element bound together
- 14. the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance
- 16. the mass per unit volume
- 21. retains a fixed volume and shape