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This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

This experiment will examine and precisely measure the amount of sugar in various sodas.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project idea discovers the effect of (high) heat on animal cells.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?