| A | B |
|---|
| radiation | transfer of energy through space from sun |
| convection | th movement of air or liquid, caused by differences in temperature |
| conduction | transfer of heat from one substance to another that it is touching |
| atmosphere | blanket of gases that surrounds Earth |
| air pressure | pressure caused by the weight of a column of air pushing down in all directions |
| altitude | elevation above sea level |
| troposphere | lowest layer of the Earth's atmosphere |
| water cycle | movement of water among Earth's atmosphere, lithosphere, and hydrosphere |
| evaporation | water molecules change from a liquid to a gas |
| condensation | water vapor changes from a gas to a liquid |
| precipitation | form of water that falls from clouds and reaches Earth's surface |
| runoff | water that flows over the Earth's surface instead of sinking into the ground |
| hydrosphere | all the water on Earth's surface |
| temperature | easure of how hot or cold an object is |
| sea breeze | flow of cooler air from ocean toward land |
| land breeze | flow of cooler air from land toward sea |
