The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

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.

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 learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

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.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science project teaches students to classify different shapes of leaves.

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

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

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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

This science fair project idea investigates how color affects temperature.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea demonstrates that plants give off water.

This science fair project idea explores the egg's thin membrane.

This science fair project idea compares biodiversity between drops of water.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This science fair project examines how seeds hitchhike on animals and clothing.

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