Plates Move Plates move Plates are what move

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Plates Move

Plates Move

Plates move ¡Plates are what move ¡They move what is on top of them

Plates move ¡Plates are what move ¡They move what is on top of them ¡Crust is on top of the plates ¡ Continental Crust- The crust that makes up continents/land ¡ Oceanic Crust- The crust that makes up the oceans

Divergent Boundary ¡Plates move apart ¡Most are found in the ocean ¡Mid-ocean ridges are

Divergent Boundary ¡Plates move apart ¡Most are found in the ocean ¡Mid-ocean ridges are found where this happens ¡In the ocean they move apart and riff valleys form ¡This is how continents split apart ¡New crust is formed

Process ¡ 1. Hot material rises from the mantle ¡ 2. The heat causes

Process ¡ 1. Hot material rises from the mantle ¡ 2. The heat causes the crust to bulge upward ¡ 3. The crust cracks, and a riff valley is formed ¡ 4. Magma rises, the continent splits apart

Transform Boundaries ¡Plates move past each other in opposite directions ¡Crust is not formed

Transform Boundaries ¡Plates move past each other in opposite directions ¡Crust is not formed or destroyed ¡Occur mostly at the sea floor but can form on land too ¡San Andreas Fault

Convergent Boundary ¡Plates push together ¡ 3 different types ¡ Continental-continental collision ¡ Oceanic-oceanic

Convergent Boundary ¡Plates push together ¡ 3 different types ¡ Continental-continental collision ¡ Oceanic-oceanic collision ¡ Oceanic- continental collision ¡Crust is destroyed or folded

Continental- Continental Collisions ¡Two continental plates collide ¡Each plate is the same density ¡No

Continental- Continental Collisions ¡Two continental plates collide ¡Each plate is the same density ¡No plates can sink, so it has to collide ¡Mountains are made when the two plates run into one another ¡EX: Rocky Mts.

Oceanic- Continental Collision ¡A piece of oceanic crust runs into a piece of continental

Oceanic- Continental Collision ¡A piece of oceanic crust runs into a piece of continental crust ¡Oceanic crust sinks ¡Deep-ocean trenches ¡Costal mountains ¡EX: Andes Mts.

Oceanic-Oceanic Collision ¡ 2 plates run into one another ¡The older plate will sink

Oceanic-Oceanic Collision ¡ 2 plates run into one another ¡The older plate will sink under the newer plate ¡ Subduction- When one plate sinks beneath another ¡The plate moves into earth, and melts ¡Forms ¡ Deep ocean trenches- deep canyons on the ocean floor ¡ Island arcs- volcanic islands ¡ EX: Hawaii

Hot Spot ¡Heated rock rise in plumes, are thin columns from the mantle ¡The

Hot Spot ¡Heated rock rise in plumes, are thin columns from the mantle ¡The magma eventually hardens ¡The magma could have risen so high that it peaks out of the water ¡More islands will form in an arc, this shows how the plate is moving ¡EX: Hawaii

Review ¡In what direction do plates move in convergent boundaries? ¡ A. Towards each

Review ¡In what direction do plates move in convergent boundaries? ¡ A. Towards each other ¡ B. Away from each other ¡ C. Depends on stress ¡ D. Past each other

Review ¡In what direction do plates move in transform boundaries ¡ A. Towards each

Review ¡In what direction do plates move in transform boundaries ¡ A. Towards each other ¡ B. Away from each other ¡ C. Depends on stress ¡ D. Past each other

Review ¡In what direction do plates move in divergent boundaries ¡ A. Towards each

Review ¡In what direction do plates move in divergent boundaries ¡ A. Towards each other ¡ B. Away from each other ¡ C. Depends on stress ¡ D. Past each other

Review ¡What feature occurs at a divergent boundry ¡ A. Island arc ¡ B.

Review ¡What feature occurs at a divergent boundry ¡ A. Island arc ¡ B. Riff valley ¡ C. Mountains ¡ D. surface fault

Review ¡The Andes Mountains in South America occur at what type of boundary? ¡

Review ¡The Andes Mountains in South America occur at what type of boundary? ¡ A. Continent-continent convergent boundary ¡ B. Continent-oceanic convergent boundary ¡ C. Divergent boundary ¡ D. Transform boundary

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