Do different types of oil mix or stack? Find out in this science fair project idea!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project idea investigates if fats add to the flavor of food.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project examines how seeds hitchhike on animals and clothing.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Is it a square or a circle? See if you can trick your friends with this zany science project!

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?

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project teaches students the differences between fruits and vegetables.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This project examines whether people's taste perception is influenced by what they see.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project idea investigates how the shape of an object affects drag.

This classic children's game demonstrates how sound travels through air vs. through a solid.