Construct and experiment with a periscope using reflected light rays to gather an image.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.