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The Changing Earth
Unit C Chapter 1 Test
| Question | Answer |
|---|---|
| What is the Atmosphere? | The part of the Earth that consists of gases that surround the Earth. |
| What is the Hydrosphere? | The water part of the Earth's surface. |
| What is the Lithosphere? | The rigid outer part of the Earth containing rocks, soils, and minerals which includes all of the crust and part of the mantle. |
| What is the Crust of the Earth? | The top or outer layer of the Earth above the mantle which is thinner under the oceans and thicker under the continents. |
| What is the Mantle? | The middle layer of the Earth between the crust and the core. |
| What is the Core? | The center part of the Earth beneath the mantle. |
| The theory that says that the earth's surface is made up of about 20 moving pieces is called? | plate tectonics |
| What causes plate movement? | mountains, earthquakes, and volcanoes |
| Since the 1500s, scientists have believed that the earth? | seemed as though it should fit together |
| There is another idea that scientists believe may explain plate movement which is based on? | gravity |
| A hypothesis or idea that is supported by evidence from experiments or observations becomes known as? | a theory |
| What is the process that slowly breaks down and changes rocks by air, water, chemicals, or living things called? | Weathering |
| What does chemical weathering change? | the substance that makes up a rock, it can make it hard or turn soft |
| What is physical weathering change? | weathering that does not change the substance that makes up a rock, but breaks the rock apart |
| Relocating or moving weathered rock and soil by water, ice, and wind is called? | erosion |
| The most common factor that contributes to or causes erosion is? | flowing water |
| What does deposition do? | changes the earth's surface because eroded materials are dropped in new places |
| new rich land formed at a river's mouth by deposition is called? | a delta |
| What is an igneous rock? | melted mantle that has cooled |
| What is a fossil? | remains of any dead organism trapped in layers of rocks |
| What is a sedimentary rock? | solid particles cemented together |
| What is a metamorphic rock? | remains of any dead organism trapped in layers of rocks |
| What is the rock cycle? | how rocks change form |
| What is sand? | igneous rock that has weathered and broken into tiny pieces |
Created by:
kreed12
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