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Using Thermal Energy, Thermodynamics

Using Thermal Energy, Thermodynamics

Assessment

Presentation

Science

8th - 9th Grade

Practice Problem

Medium

NGSS
MS-PS3-3, MS-PS3-4, MS-PS1-4

+3

Standards-aligned

Created by

Jeff McClelland

Used 5+ times

FREE Resource

23 Slides • 19 Questions

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Multiple Choice

What is the significance of thermal energy in everyday life?

1

It helps in cooking food only

2

It is used in heating systems, engines, and refrigerators

3

It is only important for scientific experiments

4

It is not useful in daily activities

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Open Ended

Explain how thermal energy is transferred from a stove to the surrounding air in a heating system.

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Multiple Choice

Which type of heating system uses ducts to distribute warm air throughout a building?

1

Radiator system

2

Electric heating system

3

Forced-air system

4

Solar heating system

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Multiple Select

Select all the correct statements about passive solar heating systems.

1

Materials inside a building absorb radiant energy from the Sun during the day.

2

Thermal energy absorbed by materials helps keep the room warm at night.

3

Solar collectors are used to absorb radiant energy from the Sun.

4

A pump circulates hot water to radiators in rooms of the house.

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Fill in the Blank

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Multiple Choice

Which statement best describes how thermal energy can be increased in a system according to the first law of thermodynamics?

1

By adding heat or doing work on the system

2

By removing heat from the system

3

By isolating the system from its surroundings

4

By converting all energy to mechanical energy

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Multiple Select

Which of the following statements are true about isolated systems?

1

No energy transfers occur across the boundary

2

No work is done across the boundary

3

Total energy remains constant

4

Thermal energy can be converted to another form

19

Open Ended

Explain the difference between an isolated and a non-isolated system in terms of energy and work transfers.

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Fill in the Blank

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Fill in the Blank

Type answer...

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Open Ended

Explain how thermal energy is converted to mechanical energy in a car engine, and why only a portion of the energy is used for mechanical work.

28

Multiple Choice

What is the main function of the crankshaft in an internal combustion engine?

1

To burn fuel

2

To move the piston up and down

3

To convert the piston's up-and-down motion into rotational motion

4

To cool the engine

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Fill in the Blank

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Multiple Choice

What happens to the coolant gas after it absorbs thermal energy from inside the refrigerator?

1

It is compressed and becomes warmer than the room

2

It evaporates and cools the refrigerator

3

It condenses and releases thermal energy into the room

4

It is pumped out of the refrigerator

35

Open Ended

Describe the role of coolant in the functioning of a refrigerator and how its state changes during the refrigeration cycle.

36

Multiple Select

Which of the following are steps in the refrigeration cycle?

1

Coolant absorbs thermal energy inside the refrigerator

2

Coolant is compressed and becomes warmer than the room

3

Coolant evaporates at a high temperature

4

Coolant is pumped through condenser coils

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Multiple Choice

Which statement best describes how an air conditioner operates?

1

It cools warm air and returns it to the room, transferring thermal energy outdoors.

2

It heats the air and returns it to the room, transferring thermal energy indoors.

3

It absorbs cold air from outside and releases it inside.

4

It only circulates air without changing its temperature.

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Open Ended

Compare the operation of a heat pump in warm weather and cold weather. How does its function change?

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Fill in the Blank

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