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

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

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.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

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.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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!

An home science experiment for older students that teaches about the science behind heat.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

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.

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Learn with makes water molecules work with this fun and easy science activity!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!