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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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.

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

This science fair project idea examines the reason boats are shaped and engineered.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this science fair project, students make their own rain gauge to measure rainfall.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!