STEM Semester Practice Test

The movement of air around the chassis (body) of the race car.

Mechanical device for lessening the friction or a machine part in whichanother part turns or slides on

A stage used in the design and problem-solving process to generate a number and a variety of ideas in a noncritical atmosphere.

Refers to structural frame of the car that mechanical parts can be attached to.

A planning and decision-making process that produces a solution.

A model used to test and evaluate a design before final production.

You can help reduce ______ by making sure the axles are free to rotate, and that the wheels and tires are not rubbing on the car body.

As an object moves through the air, it is met with air resistance as speeds increase. This air resistance pushes against your CO2 car and prevents it from going as fast as it could in a vacuum.

A rod that passes through the center of a wheel or group of wheels.

In which step of the Engineering Design Process would you share your final design with others?