Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Learn all about balance and motion as your child designs a corn maze!

I scream, you scream, we all scream for homemade spearmint ice cream!

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

In this science project, the center of gravity is explored.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!