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Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

This science fair project idea raises awareness of a real ecological issue.

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

This experiment will explore whether adding different substances to a gel affects its strength.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

In this project children practice the scientific method while playing with puffy paint.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project idea identifies and understands adaptations in birds.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Free science fair project idea examining how different types of water affect plant germination and growth.

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