Vocab
Tension Is......
Stress That Stretches Rock So It Becomes Thinner In The Middle.
True or False? The Footwall is Located Above The Fault.
False. The hanging wall is located above the fault.
--------- Has The Same Structure As A Normal Fault But The Hanging Wall And Footwall Are Reversed.
Reverse Fault.
What Causes Anticlines and Synclines To Form?
Compression.
Plateaus Consist Of ----1---- And Are ----2----- Than They Are ---3---.
1) Many Different Layers Of Rock.
2) Wider.
3) Tall.
What Is A Strike Slip Fault?
A Type Of Fault In Which Rocks On Either Side Move Past Each Other Sideways With Little Up Or Down Motion.
What Are The Three Types Of Stress?
Compression.
Tension.
Shearing.
-------- Is Caused When Two Plates Come Together/ Collide.
(Hint: Type Of Stress.)
Compression.
How Is A Strike-Slip Fault And A Transform Boundary Connected?
In A Strike-Slip Fault, The Blocks Of Rock Move Past Each Other Sideways/Opposite Directions With Little Up Or Down Motion. At A Transform Boundary, The Plates Interacting Slip Past Each Other in Opposite Directions.
Explain How A Normal Fault Forms And What Occurs At The Fault.
Stress in Earths crust that cause one crack to form between two blocks of rock at a angle. This causes, one block of rock to sit above the fault while the other lies below. The hanging wall slips downward due to tension and the footwall rises.
What Is a Defining Characteristic of a Reverse Fault.
A reverse fault is characterised by the motion of the hanging wall and the footwall. The hanging wall slides upwards, while the footwall slips downwards.
What Landforms Are Not Caused By Compression?
Fault-Block Mountains.
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What Is The Difference Between An Anticline And A Syncline.
An Anticline Is An Upward Bend That Forms An Arch In The Crust, While A Syncline Is A Downward Bend That Forms A Smile In The Crust.
Explain The Difference Between Compression and Tension.
Tension is a type of stress that pulls crust apart to make the crust thinner in the middle. Compression is also a type of stress, but this stress squeezes crust together until the crust folds or breaks.
Define Hanging Wall and Footwall. Then Describe The Difference Between Them.
The hanging wall is the name for the block of rock located above a fault. The footwall is the name for the block of rock located below a fault.
What is the type of stress that causes blocks of rocks to move with little up or down motion.
Shearing.
_______ is a large area of flat land elevated high above sea level.
Plateau.
Why Would You Not Find A Fold On A Fault-Block Mountain?
Folds Are Caused By Compression, While Fault-Block Mountains Are Caused By Tension.
How Does Plate Movement Affect The Crust?
Over millions of years, plate movement causes the crust to morph into land features such as anticlines, synclines, folded mountains, fault-block mountains, plateaus.
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True or False? Tension, compression, and shearing are all the same thing.
False. Tension happens when two plates pull apart. Compression happens where two plates come together. Shearing happens where two plates slip past each other.
_________ is how stress is often expressed.
Force per unit area.
What is the difference between a normal fault and a reverse fault?
Normal fault- one block of rock sits over the fault while other lies under.
Reverse fault- same structure but the blocks move in the reverse direction.
How does stress change earth's crust?
Tension and pressure over millions of years changes the shape and volume of rocks.