Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

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

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 activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project investigates why the number of visible stars changes from place to place.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project in which you will start a fire from scratch without using matches or a lighter.

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

In this science fair project, students use the streak test to tell minerals apart from each other.