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Unit 9
Weather and Climate
| Term | Definition |
|---|---|
| atmosphere | the mixture of the gases that surround the Earth |
| evaporation | the process by which liquid changes into a gas |
| condensation | the process by which gas changes into a liquid |
| precipitation | water that falls from the clouds to the Earth's surface |
| water cycle | the process in which water continuously moves from Earth's surface into the atmosphere and back again |
| runoff | water that does not soak into the ground and instead flows across Earth's surface |
| climate | the pattern of weather an area experiences over a long period of time |
| weather | the condition of the atmosphere at a certain place and time |
| climate zone | an area that has similar average temperatures and precipitation throughout |
| equator | an imaginary line around the Earth, equally distant from the North and South Poles |
| latitude | the measure of how far north or south a place is from the equator |