This science fair project idea explores whether talking to a plant will help it grow.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

This science fair project idea demonstrates the process of land erosion.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

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 teaches students the differences between fruits and vegetables.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Discover how and which salt melts ice the quickest.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea explores the different properties of matter.

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

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This science project has students study the idea of human beauty.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science project examines the thermal properties of several major greenhouse gases.