Chapter 4 Work and Energy

What moves from one place to another and the change is different?

• Energy

• Force

• Accleration

• Mass

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NGSS.HS-PS3-1

NGSS.HS-PS3-2

Fuels store energy in the form of

• Thermal energy

• Electrical energy

• Chemical potential energy

• Kinetic energy

What is the kinetic energy of a baseball moving at a speed of 40 m/ s if the baseball has a

mass of 0.15 kg?

• 12J

• 1200J

• 12000J

• 120J

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NGSS.HS-PS3-1

NGSS.HS-PS3-2

A 2-kg book is moved from a shelf that is 2 m

off the ground to a shelf that is 1.5 m off the

ground. What is its change in GPE?

• 96J

• 9.6J

• 39.2J

• 29.4J

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NGSS.MS-PS3-2

What is the mechanical energy of a 500-kg rollercoaster

car moving with a speed of 3 m/s at the top of hill that is 30 m high?

• 2250J

• 147000J

• 149250J

• 14925J

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NGSS.HS-PS3-1

How can GPE be changed?

• by staying the same

• increases as the height increases

• larger mass the more gravitational potential energy

• smaller mass means more gravitational potential energy

What is Nuclear Fission?

• Two nuclei are broken apart

• Two nuclei are fused together

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NGSS.HS-PS1-8

One calorie is equivalent to about

• 4180J

• 102J

• 7689J

• 9560J

What is the formula for ME?

• ME= TE + EE

• ME= mgh

• ME= 1/2mv2

• ME= PE + KE

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NGSS.HS-PS2-1

Which isn't a form of energy?

• Terminal

• Radiant

• Electrical

• Thermal