Plate Tectonics

Goal:

Homework:

Warm-up:

Boundaries Review Sheet

Use models to depict what is occurring at different types of boundaries

Pick up one of these sheets and match the picture with the correct letter. I will

come around with tape so this can be added to your notebook.

5 minutes

End

_____ Hot Spot _____ Continental-Oceanic Convergent Boundary ____ Mid-Ocean Ridge_____ Island Arc _____ Oceanic-Oceanic Convergent Boundary ____ & ____ Subduction Zone_____ & _____ Sea Floor Spreading _____ & _____ Divergent Boundary ____ Volcanic MountainsThe two types of boundaries NOT pictured: __________________ and _____________________________________

Snack Tectonics

Write down what each food

represents

Divergent BoundaryLook at your model from the side:

1. Draw how it looks in cross-section (including the frosting). Label: Midocean Ridge, Oceanic Crust, Asthenospere

2. Describe what happened to the frosting AND the fruit roll-ups.

3. What geological process is being represented in this model? (hint: this is not the type of boundary)

You may eat it now!

Continental-Oceanic Convergence

Look at your model from the side:

1. Draw how it looks in cross-section (including the frosting). Label the trench, oceanic crust and continental crust.

2. Describe what happened to the fruit roll-up and the graham cracker.

3. Explain how this model demonstrates subduction. Include why it is the oceanic plate that subducts in your answer.

You may eat the fruit roll up now!

Continental-Continental Convergence

Look at your model from the side:1. Draw how it looks in cross-section

(including the frosting)2. Describe what happened to the graham

crackers .3. What landform is this representing?

Transform Boundary

Look at your model from the side:

1. Draw how it looks in cross-section (including the frosting)

2. Describe what happened to the graham crackers (did they easily move past each other or was there some resistance?)

3. What would occur at this boundary?