Conservation Of Energy & Transformations

What does the Law of Conservation of Energy state?

• Energy cannot be created or destroyed
• Nothing can exchange energy
• Energy will increase over time.
• Energy will decrease over time.

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NGSS.MS-PS3-5

Is energy always conserved?

• Always
• Often
• Never
• Sometimes

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NGSS.MS-PS3-5

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

What type of energy is in this picture?

• Kinetic
• Potential
• Chemical
• Sound

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• The PE and KE increase and decrease together
• The PE decreases while the KE increases 
• Impossible to know without knowing the mass  

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NGSS.MS-PS3-5

NGSS.MS-PS3-2

A change from one form of energy to another is called ___________.

• work
• power
• mechanical
• energy transformations

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NGSS.HS-PS3-3

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

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NGSS.MS-PS3-5

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What kind of energy does an object possess when it's resting on top of the hill?

• Potential Energy

• Chemical Energy

• Kinetic Energy

• All of the above

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NGSS.MS-PS3-2

What happens when the ball goes from the highest position to the lowest position

• PE and KE increases and decreases together

• Impossible to know without knowing the mass of the object

• the PE decreases while KE increases

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NGSS.MS-PS3-1

NGSS.MS-PS3-2

The SI Unit for Energy is

• Joule

• Potential

• Calorie

• Kilojoule