Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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.

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

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

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Find out which type of sponge holds the most water.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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.

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 project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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!

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

This basketball project explores the best way to make the perfect shot every time.

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

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

The goal of this project is to create an exciting topographical map out of dough.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

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.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this science fair project, students create their own miniature salt flats at home.