This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project teaches students the differences between fruits and vegetables.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea examines which type of insulation holds in the most heat.

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

This science fair project idea explores the different properties of matter.

This project examines whether people's taste perception is influenced by what they see.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.