Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Construct and experiment with a periscope using reflected light rays to gather an image.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea examines the reason boats are shaped and engineered.

Take a dive into the candy jar with this yummy science experiment.

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science research project challenges students to think of more effective lobster farming methods.

This science project allows students to study the psychology of happiness.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Determine if gender affects the ability to identify different smells.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.