Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Start your toy engines -- this is going to be a fast and friction-filled race!

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

This project uses toy cars to determine how friction and gravity affect cars and braking.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.