How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Compare the ignition rates of various types of flame-retardant materials.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea investigates how the shape of an object affects drag.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

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

This experiment will explore if and where fractals can be found in the natural world.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

This science project challenges high school students to study the linguistic evolution of text messaging.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

This science fair project idea demonstrates how our fingers prune when in water.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.