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What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

In this science fair project, students create their own miniature salt flats at home.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This experiment tests which gender is better at catching how a magician performs his tricks.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

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

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea explores the different properties of matter.

This science fair project idea produces varying pitches of sound.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.