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Water Cycle
Key vocabulary to support the teaching of the water cycle
| Term | Definition |
|---|---|
| Atmosphere | The envelope of air surrounding the earth and bound to it by gravity. |
| Condensation | A change of state in which gas becomes a liquid by cooling. |
| Evaporation | When a liquid changes state to a gas. |
| Infiltration | Water movement is interrupted by something, usually vegetation. |
| Impermeable | A substance which fluids are unable to pass through e.g. rock |
| Interception | When precipitation lands on vegetation. |
| Precipitation | Moisture that falls from the air to the ground. |
| Saturated | When land is unable to hold any more liquid. |
| Surface Run Off | Water running across the surface of the earth. |
| Transpiration | Water evaporating off vegetation. |
| Water Cycle | The continual movement of water between the rivers, oceans, atmosphere and land. |