Constructive Forces
Vocabulary #1
Earth's Surface
Vocabulary #2
Destructive Forces
100
Deposition is an example of ...
What is constructive forces?
100
A deep valley with very high, steep sides.
What is a canyon?
100
Where is salt water most often found relative to dry land?
Along shorelines and near beaches.
100
An underground enclosure with access from the surface of the ground or from the sea formed by weathering.
What is a cave?
100
Erosion and weathering are examples of...
What is destructive forces?
200
The flat area surrounding the mouth of the Mississippi River is covered with rich sediments important to farming in this area. These sediments are deposited at a rate of 80,000 tons per year. This area surrounding Mississippi River is called the
What is delta?
200
The thin, rocky outer layer of Earth that makes up the continents and the ocean floor.
What is the crust?
200
Underground caves, steep cliffs, and sand dunes often form near...
What is coastlines?
200
The flat area along a river’s path where the river deposits and erodes sediments.
What is a flood plain?
200
There are two types of weathering...
What is mechanical and chemical?
300
When you think of a volcano, you probably think about how they can be very destructive. They are, after all, natural disasters. However, volcanoes can have constructive consequences. One example of volcanoes as a constructive process would be a volcano eruption...
What is creating an island? (ex. Hawaii)
300
Rock that in its molten form (as magma) issues from volcanoes; lava is what magma is called when it reaches the surface.
What is lava?
300
This surface feature can be formed by ocean waves...
What is sea caves?
300
A slowly moving huge sheet of ice.
What is a glacier?
300
A river cutting a V-shaped valley is an example of ...
What is weathering and erosion?
400
Deposition is a process that involves wind carrying sediment and then depositing it in a particular place. One common beach sight formed by deposition is a...
What is sand dune?
400
Molten material below the Earth’s surface.
What is magma?
400
Earth's surface is mostly covered by...
What is salt water?
400
Mounds or ridges of sand that the wind often forms along coastlines; made up of sediment that is dropped on the side of the beach away from the water.
What is sand dunes?
400
Water freezes in the cracks of rocks and then expands, breaking the rocks apart. This is an example of ___________ weathering.
What is physical?
500
The Appalachian Mountains were formed about 480 million years ago. Two processes have helped form the mountains we see today. What are they?
What is plates colliding built the mountains and erosion wore them down.
500
High landforms with fairly flat surfaces; often found along the top of canyons.
What is plateaus?
500
Huge deposits of lava with gently sloping sides are called...
What is shield cones?
500
Has a river flowing through it; usually in the center of the valley; river moves along a channel in the valley floor.
What is river valley?
500
Which process causes hillsides and mountains to gradually get smaller?
What is erosion?
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