In this challenge, students are tasked with creating a car that can be powered by a balloon!

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project investigates what type of cookie sheet bakes the best cookies.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

This project determines how much the rebound rates of tennis balls change after ten games.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science fair project idea designs safe bicycle routes using GPS.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

This science fair project idea explores the fastest average speed a human can talk.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

In this project, a mnemonic is used to test how it increases memory.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

This science fair project idea produces sounds by creating vibrations using different objects.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

This experiment will examine and precisely measure the amount of sugar in various sodas.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

This classic children's game demonstrates how sound travels through air vs. through a solid.