| A | B |
|---|
| convection | The transportation of heat from one place to another by the movement of a liquid or gas. |
| conduction | The transportation of heat or electricity from one place to another directly through an object. |
| radiation | The transportation of heat from one place to another by waves or particles. |
| precipitation | Falling products of condensation in the atmosphere, as rain, snow, or hail. |
| evaporation | When a liquid becomes a gas. This is usually done by heating the liquid. |
| condensation | When a gas turns into a liquid. This is usually done by cooling the gas. |
| transpiration | The process of plants taking up water from the soil and releasing it into the air through the leaves. |
| ground water | Water that soaks into the earth and fills the spaces of pores between the rocks and sediments. |
| land breeze | A wind blowing from the land toward the sea after sunset. |
| sea breeze | A wind blowing from a cool ocean surface onto adjoining warm land. |
| solar eclipse | When the Moon moves directly between the Sun and Earth and casts its shadow over part of the Earth. |
| lunar eclipse | When Earth's shadow falls on the Moon, causing the Moon to go dark. |
| waning | A gradual decrease in the amount of the Moon you see each night. |
| waxing | A gradual increase in the amount of the Moon you see each night. |
| new moon | This occurs when the Moon is between Earth and the Sun, causing the Moon to appear dark. |
| full moon | This occurs when all of the Moon's surface facing Earth reflects light. |
| solstice | The day when the Sun reaches its greatest distance north or south of the equator. |
| equinox | When the number of daylight hours and night time hours is equal all over the world. |
| revolution | The orbiting of one heavenly body around another. |
| rotation | The movement of a heavenly body turning on its axis. |
