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How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

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

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

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

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

This science fair project idea measures physical dexterity as a function of temperature.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This project examines whether sugar substitutes are as sweet as real sugar.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.