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.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

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

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

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Use familiar household items and decorations to turn estimation into a fun game!

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

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

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

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.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

The project idea is to understand why chocolate turns white and to determine the fastest way that this process can occur.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

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

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?