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 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.

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

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.

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

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.

Practice multiplication facts and geography at the same time in this fun third grade math card game.

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This fun math card game is a great opportunity to discuss probability with your third grader.

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

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Try this fun math card game with your third grader to practice division, addition, and problem solving!

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

Help your second grader to a better understanding of how to count and represent money with age old game of tic-tac-toe.

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Play this fun basketball game to help your third grader master their multiplication tables.