Divide the class into three groups. Students in group A need:

• 2 sheets of tissue paper (the gift wrap type)

Students in group B need:

• 3 sheets of cardstock or manila envelope material

Students in group C need:

• 3 sheets of notebook paper
• 40 toothpicks

To share with the entire class:

• masking tape
• scissors
• Model House Template

To make brass model houses:

• 1 piece brass sheet metal, 4-in x 10-in x .01-in thick (or 10-cm x 25-cm x .025-cm thick, available at hobby or hardware store)
• Tin snips (scissors also work, but cutting the brass dulls them)

For the table-top-sized tsunami generator:

Note: Most of the following materials can be reused, some for the Mini-Landslide activity in Lesson 5 of the Natural Disasters unit.

• 1 large, shallow, plastic waterproof tub (8-in x 14-in x 30-in or 20-cm x 36-cm x 76-cm, clear plastic is better but not necessary)
• 20 to 30-pound (9 to 14 kg) bag of sand
• 1 piece of sheet metal, ~20-in x 10-in x 0.1-in thick (as long as it is rigid, it is thick enough) or 51-cm x 25-cm x .25-cm thick
• duct tape