This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea investigates whether plants can survive being frozen.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project idea examines whether boys and girls differ in reflexes.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

The project is to investigate yeast fermentation and its results on hand of latex balloons.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.