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Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this project, you will observe and record changes in sunspots over two weeks.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project idea explores the egg's thin membrane.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This experiment tests which gender is better at catching how a magician performs his tricks.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

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

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.