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

Make this delicious warm apple bread for Hanukkah.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Practice conversions within the metric system in this fun math card game for third graders.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.