Ocean Powered - Lesson 2

Kinetic energy is the energy an object has due to its...

• motion
• position

• size

• temperature

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NGSS.MS-PS3-1

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Examples of kinetic energy in the ocean are...

• Ocean waves

• Ocean temperatures

• ocean tides

• How deep the ocean is

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The pattern noticed as the pinball's mass increased was

• an increase in kinetic energy

• a decrease in kinetic energy

• an increase in potential energy

• no pattern

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

The pattern noticed as the pinball's speed increased was

• an increase in energy

• a decrease in energy

• no change in energy

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NGSS.MS-PS3-1

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Saltstraumen is a good location for an OEC device because of its

• strong waves

• weak waves

• calm waters
• low wind speeds
• Beautiful location

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NGSS.MS-PS4-2

What happened to the energy of the pinball when its mass doubled?

• The energy doubled (x2)

• The energy quadrupled (x4)

• The energy remained the same

• The energy tripled (x3)

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NGSS.MS-PS3-1

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What happened to the energy of the pinball when its speed doubled?

• The energy doubled (x2)

• The energy quadrupled (x4)

• The energy remained the same

• The energy tripled (x3)

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NGSS.MS-PS3-1

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How would you describe the relationship between a car's mass (x-axis) and energy (y-axis)?

• As the mass of a car increases, its energy increases

• As the mass of a car increases, its energy decreases

• As the mass of a car increases, its energy increases by at least four times (4x)

• There is no clear relationship between mass and energy

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NGSS.MS-PS3-1

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What two things determine the amount of energy an object has?

• Mass and speed

• Mass and position

• Speed and position

• Mass and weight

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NGSS.MS-PS3-1

The graph is based on a rolling ball. How much energy does the ball have when the speed is 180 mph?

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NGSS.MS-PS3-1