In this activity, learners will determine the factors affecting the appearance of impact craters and ejecta on the Moon. Extensions are listed. This activity is in Unit 2 of the Exploring the Moon teachers guide, which is designed for use... (View More) especially, but not exclusively, with the Lunar Sample Disk program. (View Less)

Learners will understand some of the geological processes and the structures that form as lava flows across planetary landscapes by using mud as an analog for lava. This activity is in Unit 2 of the "Exploring the Moon" teachers guide, which is... (View More) designed for use especially, but not exclusively, with the Lunar Sample Disk program. Note a large piece of plexiglass or other non-porous surface is required. (View Less)