This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

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

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!

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea identifies clouds as a means of predicting the weather.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this experiment, the weight of aluminum cans will be compared.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

This science fair project teaches students about wilting and browning of salad greens.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Making your own glass cleaner is easy, effective and inexpensive!

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project idea researches the effects of acid rain on plant growth.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science fair project idea experiments with spinning color wheels and optical illusions.