Chapter 8 ESSENTIAL QUESTIONS
Filed under: Uncategorized on Monday, February 14th, 2011 by m1sanders | No CommentsEssential Questions
1. What makes up all matter? (SPI 0807.9.1)
2. How do we determine density? (SPI 0807.9.7)
3. How can I tell if a chemical change is taking place? (SPI 0807.9.2)
4. What is the difference between physical and chemical changes? (SPI 0807.9.8)
5. How do particles move in a solid, liquid and gas? (SPI 0807.9.6)
Chapter 8 Vocabulary Words
Filed under: Uncategorized on Monday, February 14th, 2011 by m1sanders | No Comments1. States of Matter the physical forms of matter, which include solid, liquid, and gas
2. Solid the state of matter in which the volume and shape of a substance are fixed
3. Liquid the state of matter that has a definite volume but not a definite shape
4. Surface tension the force that acts on the surface of a liquid and that tends to minimize the area of the surface
5. Viscosity the resistance of a gas or liquid to flow
6. Gas a form of matter that does not have a definite volume or shape
7. Chemical change a change that occurs when one or more substances change into entirely new substances
with different properties
8. Melting the change of state in which a solid becomes a liquid by adding heat
9. Evaporation the change of a substance from a liquid to a gas
10. Boiling the conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric
pressure
11. Condensation the change of state from a gas to a liquid
12. Sublimation the process in which a solid changes directly into a gas
