Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.