Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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

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

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.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

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

Do you think heat can affect a plant's growth rate?

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.

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

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

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

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

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

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

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

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

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

Make this delicious warm apple bread for Hanukkah.

This little chick is so cute that your child will want to make a whole flock to call her own.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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?

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

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.

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