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Waves Tide Unit Test
| Question | Answer |
|---|---|
| Which is not a way that natural processes change shorelines? | Animals move sand from one area to another. |
| Storm surge, an onshore rush of water associated with a low pressure system, is most dangerous during ____. | high tide |
| The ocean shore zone is continually affected by natural forces. Which of the following is a true statement about this zone? | Wind can cause changes in the shoreline. |
| What naturally occurring geologic feature protects the mainland from the effects of ocean waves? | Barrier Islands |
| As Earth turns, the ocean facing the moon will be at _______. | High tide |
| Tides rise and fall exactly twice every lunar day or about once every ______ . | Tweleve hours and twenty four minutes |
| The slow change that takes place twice a day in oceans is called ______. | Tides |
| The pull of gravity from the sun and the moon causes the oceans on Earth to form _____- | Tides |
| Waves, currents, and tides all refer to movements of water. Which two are affected by the wind? | Waves and Currents |
| Currents are streams of water that move continually in specific directions. How do waves differ? | Waves are repeated movement of water that change shapes as they reach the shore. |
| What is the main difference between currents and tides? | Currents are continually moving streams of water and tides are the regular rise and fall of water. |
| Which ocean currents are caused by the movement of Earth and by the force and direction of the wind? | Directional Surface currents |
| Which ocean currents are driven by Earth’s rotation and move from the tropics to the higher latitudes? | Warm Surface Currents |
| Which ocean currents are driven by Earth’s rotation and move from polar latitudes toward the equator? | Cold surface currents |