In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

The objective of this science project is to investigate patterns in fingerprints among family members.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

The project researches how lubricants affect the mechanical advantage of a pulley.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

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

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Construct batteries that make electricity from fruits with this fun science fair project.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!