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

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.