In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

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

In this project students experiment with making music using only glasses of water.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

This project tests the hypothesis that dark colors absorb more heat than light colors.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

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

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Here's a science activity to help your child investigate how seeds are designed to travel.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Is it a square or a circle? See if you can trick your friends with this zany science project!

The project investigates how water and movement affects erosion.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.