Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

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

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Discover whether a metal will expand under hot water.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This easy at-home experiment is a great way to "see" science.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project idea examines whether people can decode scrambled messages.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Here's a way to make history both interesting and relevant: design a garden using plants that were used by people in colonial times!

Explore concepts in current and coltage with these Van de Graaff generator experiments.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.