
Plate Motion Lesson 2.5
Presentation
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Science
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6th - 8th Grade
•
Practice Problem
•
Easy
+3
Standards-aligned
Caitlin Stiegler
Used 30+ times
FREE Resource
22 Slides • 17 Questions
1
Plate Motion Lesson 2.5
Identifying Plate Motion at a Plate Boundary
Lesson purpose: identify the divergent plate boundary between these two plates and use their understanding of divergent plate motion to explain how the Mesosaurus fossils got so far apart from each other
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Poll
Do you think that this plate boundary is convergent or divergent?
Convergent (collides)
Divergent (different directions)
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Multiple Select
What do you see along the plate boundaries? (check ALL that apply).
Food
Volcanic eruptions
earthquakes
mid-ocean ridge
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Multiple Choice
What happens to the plates and the mantle at convergent plate boundaries, as plates move toward each other?
Plates collide, one moves down into the mantle; creates a trench
Plates move away from each other; creates a mid-ocean ridge
Plate do not move
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Multiple Choice
When one plate moves under the other (convergent), what landform forms?
mid-ocean ridge
trench
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Multiple Choice
What happens to the plates and the mantle at divergent plate boundaries, as plates move away from each other?
Plates melt and fall down
Magma pushes in the middle and pushes the two plates away; forms a mid-ocean ridge
Plates run into each other and form a mountain and trench
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Multiple Choice
When plates move away from each other (divergent), what landform forms?
trench
mid-ocean ridge
omelettes
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Poll
With our new clues, which type of plate boundary do you think is between the South American Plate and African Plate?
Divergent
Convergent
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Poll
Which piece of evidence was most convincing in helping you determine the type of plate boundary between these two plates?
earthquakes & volcanoes
trench
mid-ocean ridge
something else (raise your hand to share)
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We know a mid-ocean ridge was found at the plate boundary between South America and Africa.
Mid-ocean ridges are only formed at DIVERGENT plate boundaries with rock from the mantle being added to both plates from the center.
This is strong, convincing evidence that the plate boundary is divergent.
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Multiple Choice
How does the landform evidence refute (go against) the claim that the plate boundary is a convergent plate boundary?
there is a mid-ocean ridge at this plate boundary rather than a trench
there is a trench at this plate boundary rather than a mid-ocean ridge
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Multiple Choice
To examine in detail for a purpose
convergent
analyze
microscope
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**Complete Schoology Question 3
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Multiple Choice
What direction are these plates moving?
Divergent (different directions)
Convergent (colliding; towards each other)
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Multiple Choice
When is our open note quiz for Plate Motion?
TOMORROW (Friday) 10/7/22
THIS IS NOT THE ANSWER
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Multiple Choice
REVIEW: The plates of Earth’s outer layer moves slowly.
TRUE
FALSE
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Multiple Choice
Earth’s outer layer is divided into sections called ________.
Oceans
Plates
Boundaries
Rock
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Multiple Choice
Geologists look for patterns in landforms and in geologic events in order to better understand Earth.
TRUE
FALSE
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Multiple Choice
What is directly under the water/ocean of the Earth?
lava
more water (there is no bottom to the ocean)
solid rock
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Multiple Choice
Earth's outer layer is NOT made of hard, solid rock
true
false
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Plate Motion Lesson 2.5
Identifying Plate Motion at a Plate Boundary
Lesson purpose: identify the divergent plate boundary between these two plates and use their understanding of divergent plate motion to explain how the Mesosaurus fossils got so far apart from each other
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