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.

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

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

In this design challenge, your child will make a bottle rocket using typical household items.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

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.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.