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How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This experiment will examine and precisely measure the amount of sugar in various sodas.

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

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

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

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.