How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

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

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

This science fair project idea explores how length affects the weight a bridge can hold.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

In this experiment you will use plastic and magnets to test your local soil composition.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.