Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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.

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

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

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Test your friends to find out if you can replicate the placebo effect's incredible results.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Test whether plants can grow without sunlight and water.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.