Science Education Standards: Earth in the Solar System:

• The Earth is the third planet from the sun in a system that includes the Moon, the sun, seven other planets and their moons, and smaller objects, such as asteroids and comets.

Short Description: In this 30-minute activity, teams of children, ages 9 to13, investigate the composition of unseen materials, using a variety of tools. This open-ended engagement activity mimics how scientists discover clues about the interiors of planets with cameras and other instruments onboard spacecraft.