Thermal Energy Practice Test

When water at 10°C is heated to 20° C its kinetic energy

• A. decreases

• B. increases

• C. stays the same

• D. is unaffected

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

Conduction is the transfer of heat energy by_

• A. direct particle contact

• B. electromagnetic waves

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NGSS.MS-PS3-4

NGSS.MS-PS3-3

An example of an energy conversion from kinetic to thermal energy would be

• A. friction

• B. television

• C. flower

• D. gravity

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

A material that resists/limits the flow of heat by conduction, convection, and radiation is a(n)

• A. conductor

• B. insulator

• C. radiator

• D. generator

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NGSS.MS-PS3-3

Temperature measures the average of the particles in a material.

• A. chemical energy

• B. kinetic energy

• C. potential energy

• D. mechanical energy

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Through which of the following will convection most likely occur?

• A. solids and liquids

• B. solids and gases

• C. liquids and gases

• D. solids

What energy change do the appliances to the right all have in common? (Hair dryer, Iron, Electric Stove, Heater)

• A. They convert electrical energy to thermal energy.

• B. They convert electrical energy to mechanical energy.

• C. They convert mechanical energy to electrical energy.

• D. They convert heat energy to electrical energy.

When you hold an ice cube, your hand feels cold because

• A. the cold flows from the ice cube to your hand.

• B. heat flows from your hand to the ice cube.

• C. cold from the ice cube flows to your hand and heat from your hand flows to the ice cube.

• D. the water from the melting ice cube cools your hand.

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

A piece of zinc was lying outside and had a temperature of 26°C. Later that day the sun came out and the heat increased to 36°C. If the piece of zinc is only 0.15 kg, find the thermal energy. Note: Zinc has a specific heat of 380 J/kg/°C. (just put the first three digits, no unit)

Mathematical Equivalence

ON

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NGSS.MS-PS3-4

A recycling center is melting down gold. It starts out at 18°C and reaches its melting point at 108°C by absorbing 153,000 J of energy. What was the mass of the melted gold? Note: Gold has a specific heat of 136 J/kg/°C. (just put first three digits, no unit)

Mathematical Equivalence

ON

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NGSS.MS-PS1-4

NGSS.MS-PS3-4