Find out whether matte or shiny nail polish lasts longer.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project investigates why the number of visible stars changes from place to place.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.