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.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

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.

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

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.

Practice measurement using centimeters in this fun math race designed for your second grade student!

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

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

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

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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?

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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