1. Warm Up – Page 72Warm Up – Page 72
1. What are the three types of plate boundaries?
2. Copy today’s date and EQ: How can we model
plate tectonics?

2. Copy this chart on page 72Copy this chart on page 72
Divergent Convergent Transform
Observations
Sketch

3. DirectionsDirections
Do NOT eat anything!
Take a square of wax paper
I will give you two squirts of icing. Spread it
out on your wax paper using your finger.
The frosting represents the asthenosphere
The fruit roll up will represent oceanic
crust, which is thinner but more dense
The graham cracker will represent the
continental crust which is thicker but less
dense

4. Conclusions – page 73Conclusions – page 73
Write the ? & answer itWrite the ? & answer it
1. What does the frosting represent?
2. What do the graham crackers represent?
3. What do the fruit roll ups represent?
4. What happens when oceanic crust collides?
5. What happens when oceanic crust
diverges?
6. What happens when continental crust
collides?
7. What happens at a transform boundary?