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Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Test out various brands of permanent markers to see which one is least water soluble.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Determine which metal has the highest rate of conductivity.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Can cells be frozen? This science fair project provides information to answer this question.

Take a dive into the candy jar with this yummy science experiment.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.