Purpose:

To determine the factors affectng the appearance of impact craters and ejecta.

Brief Description:

Create colored layers. Students drop marbles at varying velocities and angles to study effects of the impacts.

Where you can find complete description:

Exploring the Moon

Exploring Meteorite Mysteries

Hints:

• Build model at the location you are using -- transporting is difficult.
• Xerox paper box lids work well.
• Vary the material within each layer
• The more impacts, the more you will lift different levels of material.