Down
| 1. | The amount of water vapor in the air. |
| 3. | Any form of water that falls from the atmosphere to Earth. Can be rain, snow, sleet, or hail. |
| 5. | Latent heat ____ when water freezes. |
| 7. | The change of water from its liquid form to its gas form. |
| 8. | The amount of water that air can hold depends on the ____ of the air. |
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Across
| 2. | The temperature at which the moisture in the air begins to condense. (2 words) |
| 4. | The change of water from its gas form to its liquid form. |
| 6. | The amount of water vapor in the air divided by the total amount of water that the air could hold. (2 words) |
| 9. | When water changes among its gas, liquid, or solid phases, ____ is either added or taken away. |
| 10. | Heat that is absorbed or released when a substance changes states. (2 words) |
| 11. | The ____ the air, the more water vapor it can hold. |
| 12. | When water is in the form of a gas in the atmosphere, it is known as ____. (2 words) |
| 13. | Warm air is ____ dense than cold air, which is why a hot-air balloon rises. |
| 14. | Latent heat ____ when ice melts. |
| 15. | A mass of condensed water vapor, which floats in the air as tiny ice crystals. |
| 16. | The continuing movement of water into the atmosphere from the earth's surface and back to the surface as rain or snow. (2 words) |
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