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Forces in Earth's Crust
Forces in the earth's crust vocabulary
10
Science
7th Grade
10/20/2010

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Cards

Term

 

 

Compression

Definition

 

 

Stress that squeezes rock until it forlds or breaks

Term

 

 

Syncline

Definition

 

 

A downward fold in rock formed by compression in the Earth's crust

Term

 

 

Tension

Definition

 

 

Stress that stretches rock so that it becomes thinner in the middle.

Term

 

 

Shearing

Definition

 

 

Stress that pushes masses of rock in opposite directions, in a sideways movement

Term

 

 

Normal Fault

Definition

 

 

A type of fault where the hanging wall slides downward; caused by tension in the crust

Term

 

 

Strike-slip Fault

Definition

 

 

A type of fault in which rocks on either side move past each other sideways with little up or down motion

Term

 

 

Anticline

Definition

 

 

An upward fold in rock formed by compression of the Earth's crust

Term

 

 

Footwall

Definition

 

 

The block of rock that forms the lower half of a fault

Term

 

 

Reverse fault

Definition

 

 

A type of fault where the hanging wall slides upwardl caused by compression in the crust.

Term

 

 

Hanging wall

Definition

 

 

The block of rock that forms the upper half of a fault.

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