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

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

Practice multiplication facts by playing baseball in this fun, third grade math board game.

How powerful is the reaction between baking soda and vinegar? Find out here!

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

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

Here's a super fun game to get in some place value practice with your child!

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.