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Vocabulary
Earth's Surface
Weathering and Erosion
Nature's Fury
Understanding the Earth
100
This is a thick mass of ice which moves slowly down a mountain.
What is a glacier.
100
A V-shaped valley is formed by this.
What is a river.
100
These two forces formed the Grand Canyon.
What are uplift and erosion.
100
Name three forces that form mountains.
What are earthquakes, volcanoes and uplift.
100
When molten rock reaches from the surface of the earth it is called this.
What is lava.
200
This machine can measure earthquakes.
What is a seismograph.
200
This causes pieces of rock to break off and fall in the spring.
What is ice.
200
Over 100 years mountains and buttes will change this much.
What is very little.
200
Name a tool that scientists use to predict volcanoes.
What is a tiltometer.
200
This type of volcano causes lava to ooze from cracks in it's surface.
What is a shield volcano.
300
This occurs when debris eroded from a land form carried away and deposited in another place.
What is deposition?
300
Name at least 2 things that can happen when the earth's crust moves.
What are earthquakes, volcanoes, and new land formations.
300
How long does it take to erode canyons, valleys, arches and buttes?
What are thousands to millions of years.
300
Name two kinds of faults.
What are normal faults, reverse faults, and slip-strike faults.
300
This area of volcanic activity encompasses the western coasts of North and South America, the Pacific Ocean, and the eastern coast of Asia.
What is the Ring of Fire.
400
This is molten rock deep within the surface of the earth.
What is magma.
400
These are formed when tectonic plates collide.
What are mountain ranges.
400
A glacier creates this.
What is a U-shaped valley.
400
Name three forms of erosion which can cause change quickly.
What are floods, mudslides, people, and animals.
400
Which of the following is a land form: a cloud, an earthquake, or a volcano.
What is a volcano.
500
This is a large, flat topped area of land that rises above the surrounding land.
What is a mesa.
500
Name 4 land forms in Utah which are formed by weathering and erosion.
What are valleys, canyons, arches, mesas, buttes and caves.
500
Name two types of erosion which can occur slowly.
What are water, wind, abrasion, and chemical weathering.
500
When volcanic ash and lava cools, it can form these two land forms.
What are mountains and islands.
500
These forces cause a land form to become smaller.
What are weathering and erosion.