Unit 1 Review Word Scramble

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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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