This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates how the shape of an object affects drag.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

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

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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

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.

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!

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

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

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

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

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

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

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

This science fair project will help students learn about non-vascular plants, such as mosses.

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

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

This science fair project idea investigates if fats add to the flavor of food.

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.