Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project investigates why the number of visible stars changes from place to place.

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!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this fun art exercise, kids practice seeing multiple shapes and colors inside a water-filled glass and recreate them as a still life using colored paper.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

This science fair project idea investigates how color affects temperature.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea determines what household items are good conductors of electricity.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Use up your leftover hardboiled Easter eggs with our healthy, gourmet variations on an old classic: deviled eggs

This science project idea examines the effect of microwaving on various objects.

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 honor of Black History Month, this activity encourages your child to focus on African American inventors, and do a little inventing of his own.

Celebrate Hanukkah the old-fashioned way with an oil lantern. This craft is a perfect opportunity to teach your child the history of this special holiday.

Embroidery ain't your grandma's art anymore...it can be adapted to a number of cool designs Jazz up a traditional fabric embellishment with sparkly beads!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

This science fair project idea determines what household items are good conductors of electricity.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

If there's a special person in your fourth grader's life, show him how to create this beautiful photo frame luminary as an extra special Valentine's Day gift!

This Santa puppet brings a little extra cheer to your Christmas celebration. Make a Santa puppet with your child this holiday season.

Pop up a pup tent, just like Civil War soldiers did on the battlefield.

Celebrate Earth Day by making a poster that encourages people not to litter.