Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Find out which type of sponge holds the most water.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

This project compares the strength of one, two, and three-ply toilet paper.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

Discover how and which salt melts ice the quickest.

This science fair project idea identifies trees using a dichotomous key.

This project examines what types of objects burn and which burn faster and cleaner.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Using a toy race car kids create a visual model of the Doppler Effect.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.