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Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

In this design challenge, your child will make a bottle rocket using typical household items.

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Do you think heat can affect a plant's growth rate?

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!

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

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

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

In this design challenge, your child will create a parachute for a small toy using typical household items.