NGSS.MS-PS3-5

Energy can not be created or destroyed, only converted from one form to another.

• true
• false

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NGSS.MS-PS3-5

Which answer correctly classifies potential and kinetic energy in the activities shown in the picture?

• girl swimming: potential energy
  boy on diving board: kinetic energy
  girl hitting volleyball: potential energy
  boy holding volleyball: kinetic energy
• girl swimming: potential
  boy on diving board: potential
  girl hitting volleyball: kinetic
  boy holding volleyball: kinetic
• girl swimming: kinetic
  boy on diving board: kinetic
  girl hitting volleyball: potential
  boy holding volleyball: potential
• girl swimming: kinetic
  boy on diving board: potential
  girl hitting volleyball: kinetic
  boy holding volleyball: potential

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NGSS.MS-PS3-5

Sarah is stirring her hot chocolate with a metal spoon, and she notices that the spoon is getting hot. This is most likely caused by which type of heat?

• conduction

• convection

• radiation

• insulation

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NGSS.4-PS3-2

NGSS.MS-PS3-5

the ability to make things move or change

• energy

• light

• frequency

• wave

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

energy of motion

• kinetic energy

• potential energy

• movement

• work

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following statements about a skier skiing down a steep slope is true?

• His kinetic energy decreases and his potential energy increases

• His potential energy decreases and his kinetic energy increases

• His chemical energy increases

• Both his potential and kinetic energy increases

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NGSS.MS-PS3-5

The ability to make things move or change

• energy

• evaporation

• transfer

• water vapor

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NGSS.MS-PS3-5

In Lesson 1.2, you observed that a solar-powered toy moved when you shined a flashlight on it. Select all of the statements below that accurately explain how this happened.

• Light from the flashlight carried energy.

• There was energy in the toy that was activated by the light.

• Energy from the flashlight was absorbed by the toy.

• The flashlight absorbed energy from the toy.

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NGSS.MS-PS3-5

An electric motor

• does not involve magnetic fields

• does not require a voltage source

• takes electrical energy and transfers it into mechanical energy

• takes mechanical energy and transfers it into electrical energy.

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NGSS.MS-PS3-5

What is the Energy Conversion that is shown in the image?

• Chemical to Mechanical

• Thermal to Chemical

• Chemical to Thermal

• Mechanical to Chemical

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NGSS.MS-PS3-5