In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this experiment you will evaluate whether praise improves athletic performance.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

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

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

This science fair project idea assesses the effect of music on work performance.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

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

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

The objective of this experiment is to evaluate the effects of acid rain on plants.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

This science experiment tests if dog saliva can really help heal wounds.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.