This is an activity about collecting, describing and classifying terrestrial and lunar rocks. Learners will collect and describe rocks of varying texture, color and shapes. Descriptors will include color, presence or absence of grains and grain... (View More) size, textures, banding and other patterns. From the descriptions, learners will classify their collected rocks and extend their knowledge to classify lunar rocks. This activity is in Unit 1 of the Exploring the Moon teacher's guide and is designed for use especially, but not exclusively, with the Lunar Sample Disk program. (View Less)

Learners simulate the process of geological differentiation. The activity ends with an extension question that asks about the makeup of the highlands of the Moon. This activity is in Unit 2 of the Exploring the Moon teacher's guide and is designed... (View More) for use especially, but not exclusively, with the Lunar Sample Disk program. (View Less)