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Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Do different types of oil mix or stack? Find out in this science fair project idea!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project teaches students the differences between fruits and vegetables.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

Help your child make a beautiful homemade sandcastle that will last!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.