This science fair project idea explores whether talking to a plant will help it grow.

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.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

In this experiment we will be determining whether birds prefer certain colors of seed.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea determines the probability of a coin landing heads or tails.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Demonstrate how to tell the age of an egg without having to crack it open.

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 examines which type of insulation holds in the most heat.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

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

Find out which type of sponge holds the most water.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.