Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Use sticks and stones to create create an outdoor version of tic-tac-toe!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

Find out which kind of bubble wrap fares best when put in impact.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This science project teaches students to classify different shapes of leaves.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Looking for a fun way to encourage imaginative play? Try crafting these animal dice with your preschooler.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.