This science fair project idea investigates how magnetism can defy the force of gravity.

Learn whether writing things down really makes things easier to remember.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea explores which fruit molds the fastest.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science experiment tests if dog saliva can really help heal wounds.

This science fair project idea investigates if fats add to the flavor of food.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Find out which type of sponge holds the most water.

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Start your toy engines -- this is going to be a fast and friction-filled race!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Discover how and which salt melts ice the quickest.