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Where does the formation of coal begin?
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Sedimentary rocks are formed when sediments are deposited into layers. What happens next?
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Unit 4 Questions
Unit 4 Review
| Question | Answer |
|---|---|
| Where does the formation of coal begin? | in a swamp with a lot of big plants |
| Sedimentary rocks are formed when sediments are deposited into layers. What happens next? | The layers are compacted and then cemented. |
| Where does the formation of oil and natural gas start? | in the ocean with a lot of tiny sea organisms |
| A delta is formed when sediments are dropped off and builds up at the end of a river. What is the process of dropping off sediments called? | Deposition |
| How does a U-shaped valley form? | Ice (or a glacier) weathers the mountain and erodes the sediments. |
| How is a canyon formed? | A river weathers the rocks and erodes the sediments. |
| A fossil of a fish was discovered in an area that is now a mountain. What does the discovery of this fossil tell us about the area in the past? | It was once a lake or ocean. |
| Why are coal, oil, and natural gas called nonrenewable resources? | They cannot be replaced in a short amount of time because they take millions of years to form. |
| Fossil fuels form when organic matter is covered with sediments. What else is needed for fossil fuels to form? | Time, heat, and pressure |
| How are fossil fuels and sedimentary rock formation similar? | They both need time, layers, and pressure |
| How does a river delta form? | A river slows down at the mouth of the river and the sediments are deposited. |
| What is the process called that moves sediments? | Erosion |
| What is the process called that breaks rocks into sediments? | Weathering |
| What is the process called that drops sediments in a new place? | Deposition |
| How is a sand dune formed? | Wind erodes the sand and deposits the sand into hills. |
| Why are the wind, the sun, water, and plants called renewable resources? | They can be replaced in a short amount of time. |
| What would the peaks of an older mountain range look like? | The peaks of an older mountain range would be SMOOTH and ROUNDED. |
| What would the peaks of a younger mountain range look like? | The peaks of a younger mountain range would be STEEP and POINTY. |
Created by:
brannics
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