Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

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 investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea determines which method of hand cleansing is the most effective.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

This science fair project idea determines the most effective method of preserving food.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea explores substances that cause a bubble to last longer.

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

Construct and experiment with a periscope using reflected light rays to gather an image.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!