Work and Energy Vocabulary

Which unit is used to measure work in the International System of Units (SI)?

• Watt

• Joule

• Newton

• Meter

Tags

TX.112.45.C.7.A.

Which term describes the rate at which work is done?

• Energy

• Power

• Force

• Momentum

Tags

TX.112.45.C.7.A.

What is the SI unit of power?

• Joule

• Newton

• Watt

• Meter

Tags

TX.112.45.C.7.A.

Which of the following best defines kinetic energy?

• Energy stored due to position

• Energy due to motion

• Energy transferred by heat

• Energy stored in chemical bonds

Tags

TX.112.45.C.7.B.

Which term refers to the sum of kinetic and potential energy in a system?

• Mechanical energy

• Thermal energy

• Elastic energy

• Chemical energy

Tags

TX.112.45.C.7.B.

What does the law of conservation of energy state?

• Energy can be created and destroyed

• Energy can be transformed but not created or destroyed

• Energy is always lost as heat

• Energy is only found in moving objects

Tags

TX.112.45.C.7.C.

Which type of collision conserves both kinetic energy and momentum?

• Inelastic collision

• Elastic collision

• Thermal collision

• Rotational collision

Tags

TX.112.45.C.7.E.

Which term describes energy stored in a stretched or compressed spring?

• Gravitational potential energy

• Elastic potential energy

• Thermal energy

• Rotational kinetic energy

Tags

TX.112.45.C.7.B.

A ball is dropped from a height and bounces back to a lower height. Explain why the ball does not reach its original height using the law of conservation of energy.

• Some energy is lost as heat and sound during the bounce

• The ball gains energy from the ground

• The ball loses mass during the bounce

• The ball is heavier after bouncing

Tags

TX.112.45.C.7.C.

Match each physics term to the correct description.

• The unit of energy in the International System of Units.

• Energy

• The energy stored in an object due to its position or configuration.

• Work

• The energy possessed by a body due to its motion.

• Potential Energy

• The product of force and displacement in the direction of the force.

• Joule

• The capacity to do work.

• Kinetic Energy

Answer explanation

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-2