In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.