This science fair project idea compares the mass and density of objects.

Discover how and which salt melts ice the quickest.

The project investigates how water and movement affects erosion.

Will male or female hair grow faster? Find out in this science fair project idea!

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project idea determines how quickly germs and bacteria spread.

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.

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

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

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

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

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.