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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea produces varying pitches of sound.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Cleaning can be a chore, but not with this sudsy experiment!

Science fair project that determines whether mass and weight are the same or different.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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