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Demonstrate how to tell the age of an egg without having to crack it open.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Improve critical thinking and logic skills as you compete to win in this fun, educational card game.

Want to play publisher for a day? Become a book jacket illustrator for this creative and fun project.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

These spooky eyeballs are simple enough for kids to make, and featur carrots, olives and cream cheese for a nutritious nosh.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Write a poem with a twist! Your child can write a poem that also has a secret sentence hidden within the words of the poem.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea explores whether color affects a person's emotional state.

If your fifth grader has a voracious appetite for reading, she'll be surprised to see many books she has devoured. Show her how to make a "100 Books" chart!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

In this activity, your child will write a poem recognizing and appreciating the beauty inherent in diversity.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

Let these cute shamrock earrings bring the luck of the Irish to your fifth grader's ears!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Check out this activity that has your kid create her own Cubist montage. Soon your kid will be well on her way to understanding the vibrant art of Cubism!

Find out whether matte or shiny nail polish lasts longer.

This costume wig is a simple craft that will result in a great item for Halloween, dress up, or pretend play. Make a yarn costume wig with your child.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Celebrate Easter with this hands-on activity making your own eggs.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!