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Unit 1 Review
Landforms, Weathering, Erosion, Deposition, Earthquakes, Volcanoes
| Question | Answer |
|---|---|
| The breakdown of rock into smaller pieces called sediments. | Weathering |
| Force that builds things up? | Constructive Force |
| Force that breaks things down or destroys? | Deconstructive Force |
| Flat area of the mouth of a river where sediments have been deposited? | Delta |
| A landform or structure that prevents flooding. | Levee |
| How does ice change the shapes of rock?? | Ice breaks rock by expanding in small openings through freeze and thaw. |
| How was the Grand Canyon formed? | The Colorado River eroded the land over time. |
| What are the two types of weathering? | Chemical and mechanical (physical) |
| Explain weathering, erosion, and deposition | Weathering breaks down rock into sediments. Erosion carries sediment away. Deposition drops sediment off into a new place |
| Tree roots or plant roots causing cracks in rocks is an example of what? | Physical (mechanical) weathering |
| What is erosion? | The process of moving rock and soil from one location to another. |
| What things causes erosion? | Wind, water, and glaciers |
| What is the greatest force of erosion? | Water |
| What carries sand away from beaches? | Waves. |
| What projects out into the water to protect the shoreline | Jetty |
| What is caused when wind carries sand? | Sand dunes |
| The process of rocks and soil being dropped in a new location? | Deposition |
| What can be produced by volcanic eruptions? | Mountains |
| What is caused by magma rising to the surface of the earth, which causes bubbles of gas to appear in it? | Volcanoes |
| A sudden release of energy from the earth's crust that causes sudden movements? | Earthquake |
| What causes earthquakes? | Tectonic plates sliding past each other. |
| What instrument is used to measure earthquakes? | Seismograph |
| What causes Tsunamis? | Earthquakes or underwater volcanic eruptions |
| Scientist who studies earthquakes and seismic waves are called? | Seismologist |
| What can be changed, or new ones formed by weathering, erosion, and deposition? | Landforms |
| Acid rain is an example of a physical or chemical weathering process? | Chemical |
| What is it called when magma burst out of the earth? | Lava |
| What is a cinder cone volcano? | An explosive volcano that shoots ash and lava into the air |
| What is a composite volcano? | A volcano made with alternating layers of lava and ash |
| What is a shield volcano? | A volcano with a bowl like opening with slow moving lava |
| A fracture or break in the earths crust? | Fault |
| What is the slow-moving flow of ice and snow called? | Glacier |
| Name Georgia's geographical regions | Appalachians, Ridge & Valley's, Blue Ridge, Piedmont, Upper & Lower Coastal plains. |
| What are landforms? | Structures on the earth's surface. |
| Mountains, hills, plateaus, and plains? | The four major types of landforms. |
| What is a mountain? | A very tall rocky land that may have a pointed top. |
| What is a plateau? | A higher area with a flat top. |
| What is are hills? | Taller than plains, but shorter than mountains. They are less than a 1000 feet high and may be covered in grass. |
| What are plains? | Large area of flat, smooth land at a low elevation. |
| What is a valley? | An area between mountains and hills |
| Land that is surrounded completely by water? | Island |
| A narrow valley with steep sides? | Canyon |
| A natural flowing waterway? | River |
| A freshwater body completely surrounded by land? | Lake |
| When flying particles strike and break off more particles? | Abrasian |
| What are landslides? | The movement of rock, earth, or debris down a sloped section of land. |
| What is a sinkhole? | A hole in the ground that forms when water dissolves surface rock such as limestone. |
| A flat-topped mountain or hill is called a? | Mesa |
| Two forces that can move sand? | Wind and waves. |
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