click below
click below
Normal Size Small Size show me how
7.9C Vocab
| Term | Definition |
|---|---|
| Greenhouse effect | the warming of the surface and lower atmosphere of Earth that occurs when water vapor, carbon dioxide, and other gases absorb and reradiate energy |
| Atmosphere | a mixture of gases that surrounds a planet, moon, or other celestial body |
| Boiling point | the temperature and pressure at which a liquid becomes a gas |
| Melting point | the temperature and pressure at which a solid becomes a liquid |
| Planet | a celestial body that orbits the sun, is round because of its own gravity, and has cleared the neighborhood around its orbital path |
| Radiation | the transfer of energy as electromagnetic waves |
| Star | a large celestial body that is composed of gas and emits light; the sun is an example |