Using a toy race car kids create a visual model of the Doppler Effect.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

Learn how different types of soil affect how animal tracks form in this experiment!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Test whether plants can grow without sunlight and water.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

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

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project teaches students the differences between fruits and vegetables.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea investigates the difference in reaction times between boys and girls.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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!