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Oceans
| Question | Answer |
|---|---|
| Why is the Earth called the Blue Planet? | The Earth's surface is 70% covered with water |
| How did the oceans form? | Volcanoes spewed lava, ash, and gases all over the planet. The volcanic gases began to form Earth's atmosphere. Then the earth started to cool. |
| How did the salt get into ocean water? | As river and streams flow toward the oceans, he dissolve various minerals on land. The running water caries these dissolved minerals to the ocean. |
| Why are the oceans often called the World Ocean? | There are no physical boundaries separating them |
| Why are all the oceans considered separate oceans? | They all have different currents |
| What are the oceans largest to smallest based on their surface area? | #1 Pacific Ocean, #2 Atlantic Ocean, #3 Indian Ocean, #4 Southern Ocean, #5 Arctic Ocean |
| What is Topography? | Topography is the study Earth features. |
| How do we know what the features of the ocean floor look like? | Sonar. Sonar stands for Sound Navigation and Ranging. |
| How sonar works |
Created by:
alexan0910
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