Kinetic Energy

The kinetic energy of an object is equal to one half its mass multiplied by its speed

• squared

• cubed

• to the fourth power

• to the fifth power

Tags

NGSS.MS-PS3-1

Energy and work are measured in

• calories
• watts
• newtons
• joules

A change in an object's speed has a(n) _______ effect on its kinetic energy than a change in its mass.

• equal
• less
• greater
• no

Tags

NGSS.MS-PS3-1

What is kinetic energy?

• Kinetic energy is the energy of an object in motion.
• Kinetic energy is the energy associated with an object's temperature.
• Kinetic energy is the energy released during a chemical reaction.
• Kinetic energy is the energy stored in an object at rest.

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

A car and a bicycle are moving at the same speed. Which likely has more kinetic energy?

• The car likely has more kinetic energy.
• The bicycle likely has more kinetic energy.
• Both have the same kinetic energy.
• Neither has any kinetic energy.

Tags

NGSS.MS-PS3-1

What happens to kinetic energy as an object slows down?

• Kinetic energy decreases as an object slows down.
• Kinetic energy increases as an object slows down.
• Kinetic energy remains constant regardless of speed.
• Kinetic energy is only affected by mass, not speed.

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

If an object has zero speed, what is its kinetic energy?

• Equal to its mass

• Half its potential energy

• It depends on its height

• Zero

Tags

NGSS.MS-PS3-1

Which of the following would NOT increase an object's kinetic energy?

• Increasing the object's height
• Increasing the object's speed
• Decreasing the object's mass
• Increasing the object's mass

Tags

NGSS.MS-PS3-1

If two objects have the same kinetic energy but different masses, what can you conclude about their speeds?

• The object with less mass has a higher speed

• The object with more mass has a higher speed

• Both objects have the same speed

• There's not enough information to determine

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Which of the following has the greatest impact on kinetic energy?

• Time
• Speed

• Temperature
• Mass

Tags

NGSS.MS-PS3-1