What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This project examines how temperature affects the volume of gas in balloons.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.