The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

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

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

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This project determines what category of person is most likely to be ticklish.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this project students experiment with making music using only glasses of water.

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

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

This science fair project idea compares biodiversity between drops of water.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project idea investigates which objects float and sink in honey, water, and oil.