Material Detail

Dunking the Planets

Dunking the Planets

This is a demonstration about the density of the planets. Learners will compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. They will then dunk the "planets" in water to highlight the fact that even a large, massive planet - such as Saturn - can have low density. They discuss how a planet's density is related to whether it is mainly made up of rock or gas. This activity is part of...

Show More


More about this material


Log in to participate in the discussions or sign up if you are not already a MERLOT member.