Do you think heat can affect a plant's growth rate?

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea explores whether talking to a plant will help it grow.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this activity your child will create their very own marble maze!

This project examines whether people's taste perception is influenced by what they see.

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

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.

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.

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.

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.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.