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

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

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

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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.

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.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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.

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

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This science fair project idea determines if the color of light affects the growth of plants.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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