Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Find out whether putting something on top of a plant will inhibit its growth.

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.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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.

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.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

This science project idea examines the effect of microwaving on various objects.

This science fair project idea determines what household items are good conductors of electricity.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!