1. Plates Move

2. Good Morning!
Take out your homework, have it on your desk so we can come around and check it in.
Get all your materials then, put bags in the back.
Pick up a green sheet of paper off the front table.
Work on the Day 5 activity. You are rating your learning and answering three questions.
If you were absent yesterday, come in during Ac. Lab for an alternative assignment.

3. Question 1
Did both trials result in the movement of water? Why or why not?
Only trial 1, in which the warm water was placed in the vial, resulted in the movement of water (the warm water rose upward and outward). There was no movement of water in Trial 2. This is because warm water rises and cold water sinks. In Trial 2, the warm water was already on top and the cold water was at the bottom.

4. Question 2
What do you think is necessary for a convection current to form?
It is necessary for warm water to be at the bottom (heated from below) and the cooler water to be sitting above it. It is the rising of warm water and its resulting displacement of the cool water that results in the formation of a convection current.

5. Question 3
Compare the results of your two trials. When warm water and cold water are mixed, what happens to:
A. The warm water? It rises to the top
B. The cold water? It sinks to the bottom.

6. Question 5
Imagine the hotter magma is lying beneath an area of cooler magma deep in the mantle. What do you predict will happen? Why do you think this?
The hotter magma would rise and the cooler magma would sink. This would results in a current. In this activity, water was used to model magma, so what happened to the water, would happen to the magma.

7. What do scientists believe causes plates to move?
Convection currents within the earth’s mantle caused by differences in temperatures of magma within the mantle.

8. Schedule Plate Movement Notes 15-20 minutes ABCD Card Review
Comic Strip Activity
30-40 Minutes
Exit ticket
5-10 Minutes

9. 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

10. 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

11. 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

12. 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

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

14. 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.

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

16. 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

17. 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

18. Schedule ABCD Card Review 10 Minutes Plate Movement Notes
Comic Strip Activity
30-40 Minutes
Exit ticket
5-10 Minutes

19. 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

20. 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

21. 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

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

23. 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

24. Schedule Comic Strip Activity 30-40 Minutes Plate Movement Notes
ABCD Card Review
10 Minutes
Comic Strip Activity
30-40 Minutes
Exit ticket
5-10 Minutes

25. Schedule Exit ticket 5-10 Minutes Plate Movement Notes 15-20 minutes
ABCD Card Review
10 Minutes
Comic Strip Activity
30-40 Minutes
Exit ticket
5-10 Minutes