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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

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.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.