1/31 Warm UpOn your green SWOD answer the following questions:

Write the energy transfers for:

EARTHQUAKES = _____________ ____________ ____________

VOLCANOES = ___________ ______________

SME SEISMIC MECHANICAL

MECHANICALHEAT

Plate Boundaries

• Divergent• Convergent• Transform• http://geology.com/plate-tectonics.shtml

Breaking it Up/ Snack-tectonics Lab

• Question: How do the plates move?• Hypothesis: Discuss in your tables 3 different

ways that the tectonic plates can move• Materials:– Molten magma/lava = frosting– Oceanic plates = graham cracker– Continental plates = vanilla wafer– Wax paper = wax paper

Get Materials…but don’t do anything yet

#1 – Wipes down tables before and after#2 - wax paper#3 – 2 small rectangles of graham cracker per

person#4 – 2 vanilla wafers per person

Procedures1. Spread the MAGMA on wax paper in a

rectangle shape, the size of your two oceanic plates.

2. Lightly lay the 2 oceanic plates on the MAGMA side by side.

3. Press down on the plates and slowing pull them apart.

4. What type of plate boundary movement does this represent?

DIVERGENT

5. Remove plates and scrap off MAGMA back to wax paper and reshape to original form.

6. Lightly place 1 oceanic plate side by side with 1 continental plate.

7. Push both plate towards each other.

8. What type of plate boundary movement does this represent?

CONVERGENTWhy did the oceanic go beneath the continental?

9. Brainstorm what you think will happen when you make a transform plate boundary

10. Test it11. Brainstorm what you think will happen when

you make a convergent plate boundary movement with 2 continental plates.

12. Test it13. Destroy plates and magma

Clean Up

• Throw away any leftover food• Person #1 wipes down your table• Pull out Flipbooks