Across
- 5. The idea that all physical matter exists in the form of particles
- 6. the idea of chemical reactions is known as....
- 11. changes that affect the chemicals
- 14. The space occupied by an object
- 18. Building blocks of matter
- 20. changes the appearance of a substance
- 21. The substances are not evenly distributed
- 23. changes from a vapor to a liquid
- 26. solid,liquid,gas,plasma
- 27. anything about a substance that can be observed or measured
- 30. the temperature at which a solid turns to a liquid
Down
- 1. the change from a liqid to a vapor (gas)
- 2. distinct group of two or more atoms bonded together
- 3. When different substances are mixed (could be called a solution)
- 4. a solid that changes to a vapor without melting first
- 7. when a liquid turns into a solid
- 8. The mass of matter contained in a particular volume
- 9. anything that occupies space and has mass
- 10. the change from a solid to a liquid
- 12. describes how a substance changes under certain conditions
- 13. the temperature hat the liquid begins to boil at
- 15. a pure substance consisting of atoms that are chemically combined
- 16. Anything that is not a pure substance
- 17. The measure of gravity acting on the matter of an object.
- 19. The amount of matter in an object
- 22. material made of only one kind of element;not a mixture
- 24. the vapor going straight into a solid without the solid going through the liquid phase
- 25. a very fast process of vaporization (heating up until evaporation)
- 28. a liquid that turns into gas very slowly at any tempurature
- 29. pure substance that consists of atoms with the same atomic number.