Transcript Earthquake Forces

Warm-Up Wed Jan 29
• Write What You Know!
– Write everything you know about the prompt
below for five minutes, try for at least 3-4
complete sentences.
• Describe the three different types of stress
that affect the Earth’s rocks.
Earthquake Forces
Notes
Chapter 2.1 Forces in Earth’s Crust
Organizing Your Notes
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Date: 1/29/2014
Key Terms:
Force
Stress
Title: Earthquake Forces Notes
Notes/Pictures:
• a force is a push or pull on
an object
• A force that acts on rock to
change its shape or
volume
Earthquake Forces
• Force
– a force is a push or pull on an
object
• Stress
– A force that acts on rock to change
its shape or volume
Draw Pictures!!!
Tension
• Tension
– Pulls on rock, stretching it, making it thinner
– What kind of plate boundary might form from tension?
What landforms might you see?
Compression
• Compression
– Squeezes rock until it folds or breaks
– What kind of plate boundary can form from
compression? What kind of landforms might you see?
Shearing
• Shearing
– Pushes rock in two opposite directions, tearing rock
– What kind of plate boundary?