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Science 8- Unit 3 T
Unit 3 Review-Ch 7
Question | Answer |
---|---|
States of matter? | Oxygen, glass, and water. |
What is a fluid? | Anything that flows. |
What is Condensation? | Substance from a gas to a liquid form. |
What is the Kinetic molecular theory? | Energy of motion, made up of small particles, space between, and constantly moving. |
What is Thermal Expansion? | When energy is added, the particles start to heat up, and move faster. Also, bigger spaces in between, and particles start to expand. |
What is Thermal Contraction? | Particles slow down, because of low temp. and the particles will have less in between as they lose energy. Also a decrease in volume. |
How do you calculate Density? | Mass divided by volume. |
What is the boiling point? | When liquid turns to a gas. |