| Across |
| 6. |
clouds form as water vapor cools. |
| 7. |
the contiguous process by which water moves through the living and nonliving parts of the environment. Sun is the energy source. |
| 8. |
plants release water to air through leaves. |
| 9. |
a river and all its tributaries, or small streams together with the watershed, the land area that supplies water to the system. |
| 10. |
type of hot spring which begins to rise through narrow passages being forced out by heated gases and steam from below. |
| 11. |
most takes place over the ocean. |
| 12. |
water droplets in clouds become heavy and fall back to Earth. |
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|
| Down |
| 1. |
form when water collects in hollows and low-lying areas of land. |
| 2. |
area of land that is covered with a shallow layer of water during some or all of the year. Three common types are marshes, swamps, and bogs. |
| 3. |
water that fills the spaces in soil and rock layers. |
| 4. |
place where groundwater bubbles or flows out of cracks in the rock. |
| 5. |
huge mass of ice and snow that moves slowly over land formed in areas where more snow falls each year than melts. |
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