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

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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 cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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.

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

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.

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 idea discovers which brand of bubblegum produces the largest bubbles.

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

This science fair project idea identifies trees using a dichotomous key.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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.

Using a toy race car kids create a visual model of the Doppler Effect.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Discover how and which salt melts ice the quickest.

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

Use pepper and soap to discover some fun facts about the properties of water.

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

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

How well can people recall what they have observed. Test your knowledge in this fun experiment.