This science fair project idea examines the reason boats are shaped and engineered.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.