This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This project compares the strength of one, two, and three-ply toilet paper.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea provides evidence that air is everywhere and takes up space.

Do you think heat can affect a plant's growth rate?

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

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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