In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Think about the adaptive utility of an important aspect of our physiology.

Science fair project that determines whether moths are attracted to one color of light more than others.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Compare the ignition rates of various types of flame-retardant materials.

This science research project challenges students to think of more effective lobster farming methods.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Discover which method for odor removal words the best for stifling refrigerator odors.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

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

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.