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Mr. E's 4th Grade
Science D2: The Oceans
| Word | Definition |
|---|---|
| Water cycle | constant recycling of water |
| Evaporation | process in which a liquid changes into a gas |
| Condensation | process in which a gas changes into a liquid |
| Precipitation | water that falls from the sky as rain, snow, sleet, or hail |
| Wave | the up-and-down movement of the water particles |
| Storm surge | a very large series of waves caused by high winds |
| Tide | the daily changes in the local water level of the ocean |
| Surface current | an ocean current formed when steady winds blow over the surface of the ocean |
| Deep ocean current | an ocean current formed when cold water flows underneath warm water |
| Shore zone | the place where the land and ocean meet |
| Continental shelf | the ocean floor of the shore zone |
| Abyssal plains | huge flat areas of the ocean floor |
| Trench | the deepest parts of the ocean |
| Mid-ocean range | a vast chain of mountains that stretch across the ocean floor |