Car Quiz

Which modification would most likely improve the efficiency of energy transformations in a mousetrap car?

• Increasing the mass of the car

• Using rougher materials for the axles

• Lubricating the moving parts

• Increasing the length of the string

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-PS3-5

Which of the following statements is true about work done on a mousetrap car?

• The spring does negative work on the car.

• Friction does positive work on the car.

• The spring does positive work, and friction does negative work.

• No work is done on the car once it starts moving.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following is NOT a type of friction that acts on a mousetrap car?

• Static friction

• Rolling friction

• Air resistance

• Sliding friction

Which modification would most effectively minimize friction in a mousetrap car?

• Using wider wheels

• Increasing the weight of the car

• Using sandpaper for the axles

• Applying lubricant to the axles

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS2-2

How can a free body diagram be used to analyze the motion of a mousetrap car?

• It shows the direction of motion of the car.

• It helps identify the forces acting on the car and their directions.

• It predicts the maximum speed the car can achieve.

• It determines the energy transformations in the car.

Tags

NGSS.MS-PS2-2

How can the acceleration of a mousetrap car be increased?

• By increasing the mass of the car

• By decreasing the force of the spring

• By increasing the friction on the axles

• By decreasing the mass of the car

Tags

NGSS.MS-PS2-2

What is the main source of power for the balloon-powered car?

• Battery power

• Solar energy

• Electric motor

• Air pressure from a balloon

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following energy transformations occurs in a car engine?

• Chemical energy to mechanical energy

• Mechanical energy to chemical energy

• Thermal energy to electrical energy

• Electrical energy to thermal energy

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NGSS.HS-PS3-3

What is the primary function of a catalytic converter in a car?

• Increase engine power

• Reduce exhaust emissions

• Improve fuel efficiency

• Enhance acceleration

Which gas is primarily responsible for the greenhouse effect emitted by cars?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Tags

NGSS.MS-ESS3-5