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Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

As your fifth grader brainstorms and creates a plan for peace, your child will give his creativity and fine motor skills a boost!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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.

Be active while learning about American history with this twist on the classic running game "Capture the Flag."

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

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.

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

The human knot game is a perfect team-building exercise and a fun activity that's sure to bring lots of laughs along the way.

Your child can transform a triangle of felt into a colorful and motivating pennant sharing all her favorite characteristics and traits.

Here's a black fuzzy spider that's sure to cause a silly fright! This eight-legged creepy crawler is sure to surprise anyone looking for a treat.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

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

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

Turn any sunny summer day into a fun and special occasion by having a watermelon seed spitting contest!

Create a haunted house from upcycled materials in this lively craft project!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This science fair project idea investigates how color affects temperature.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Encourage your child to help with dinner preparations this holiday season! You can use this recipe for Christmas dinner or lunch, or for meals leading up to the holiday. This Christmas Wreath Salad recipe is simple enough for preschoolers to fifth graders

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?