Science Car

What are three key aerodynamic rules or principles?

• drag, height, acceleration

• drag, downforce, drafting

• acceleration, downforce, motion

• acceleration, height, motion

What word describes a force that slows an object down when air pushes against it?

• drag

• drafting

• downforce

• deceleration

What aerodynamics force is used to create both lift and downforce?

• air speed

• air pressure

• Both A and B

• Neither A or B

Why is the science of aerodynamics important to racing?

• Aerodynamics helps improve the safety of cars, keeping them on the track

• aerodynamics enhances the speed of the race cars, helping drivers zoom past the competition

• Aerodynamics helps improve the performance of cars, keeping them running smoothly and consistently

• All of the above

Tags

NGSS.MS-PS2-2

What effect did adding weights have on the performance of most of the cars that were BALANCED?

• There was no effect.

• It made the car travel a farther distance.

• It made the car travel a shorter distance.

• The cars spun out.

Tags

NGSS.MS-PS2-2

If Mrs. Holley's car traveled 100 inches in 10 seconds, what was the speed of her car?

• 1 in/s

• 5 in/s

• 10 in/s

• 600 in/s

• tacos

If Ms. Poff's car took 20 seconds to travel 180 inches, what was the speed of her car?

• 2 in/s

• 4 in/s

• 9 in/s

• 10 in/s

What is the primary purpose of a spoiler on a car in terms of aerodynamics?

• To increase the car's speed by reducing weight

• To improve fuel efficiency by reducing drag

• To increase downforce and improve traction

• To enhance the car's appearance

Which of the following materials is most commonly used in the construction of car bodies to improve fuel efficiency?

• Steel

• Aluminum

• Plastic

• Wood

What is the role of a catalytic converter in a car's exhaust system?

• To increase engine power

• To reduce harmful emissions

• To improve fuel efficiency

• To decrease engine noise

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-3