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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

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.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Using a toy race car kids create a visual model of the Doppler Effect.

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

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project teaches students the differences between fruits and vegetables.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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