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

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This science fair project idea identifies clouds as a means of predicting the weather.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?