{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

1

In early times, people observed that heat – because it seemed to flow from a hot place to a cold place – must be an invisible fluid that they called …

A. temperature

B. energy

C. thermal

D. caloric

1

Co-generation is a process in which two forms of energy are produced at the same time from one energy source. The two forms of energy produced are usually…

A heat and light

B kinetic and solar

C electricity and heat

D mechanical and light

1

A dangerous by-product, from the use of fossil fuels (coal, natural gas, and oil) enters the atmosphere when industries burn this fuel. A by-product can react with water in the air to form acid rain. The by-product is ...

A carbon dioxide

B sulfur dioxide

C carbon monoxide

D nitrogen monoxide

1

Thermal energy has the power to hurt us and destroy our possessions. All of the following practices are dangerous and harmful EXCEPT ...

A recycling programs

B dumping of toxic chemicals

C forest fires

D volcanic eruptions

1

The three main energy users are …

A home, transportation, industry

B recreation, transportation, streetlights

C shopping, transportation, industry

D home, transportation, recreation

1

Canadian scientists developed the Canada Deuterium-Uranium reactor to provide nuclear energy in parts of Canada and to sell to other countries. The major problem with this reactor is the …

A long time to produce thermal energy

B cost and distribution of the power

C long term storage of waste materials

D safety record it has worldwide

1

An alternative for thermal energy that is inexpensive, practical and renewable, and does not require increased technological advances is wind power. This technology utilizes a windmill to generate electrical power that can then be converted into thermal energy. Unfortunately, this alternative is not practical where there is no …

A wind

B sunshine

C shelterbelt

D sloping terrain

1

The costs of treating lakes, that have been damaged by acid rain, have to be paid for by every citizen. This makes this type of cost …

A personal

B economic

C environmental

D societal

1

Insulators are rated by their insulating ability. R-value is given to each material that is used in the construction of a building. The best insulating product would have a …

A low R-value

B high R-value

C fractional R-value

D restricted R-value

2

Is heat a substance or a form of energy? Explain your answer.

2

Describe one example of heat technology from the past and one example from the present day.

4

List the four main ideas of the particle model of matter.

1

How does the particle model explain a change of state of matter?

1

A metal bolt heated to a high temperature will be slightly larger than if it was in a freezer. Why?

3

Define conduction, convection, and radiation.

3

Give three examples of natural thermal energy.

4

Describe how passive and active solar heating systems differ.

3

Explain how a thermostat works and why it is important for safety.

3

Describe three non-renewable resources.

1

When you have completed all the questions and watched ALL the videos draw a happy face in the box to indicate that you have completed all of this exam.

Grade 7- Heat and Temperature Final

Grade 7- Heat and Temperature Final

In early times, people observed that heat – because it seemed to flow from a hot place to a cold place – must be an invisible fluid that they called …

Co-generation is a process in which two forms of energy are produced at the same time from one energy source. The two forms of energy produced are usually…

A dangerous by-product, from the use of fossil fuels (coal, natural gas, and oil) enters the atmosphere when industries burn this fuel. A by-product can react with water in the air to form acid rain. The by-product is ...

Thermal energy has the power to hurt us and destroy our possessions. All of the following practices are dangerous and harmful EXCEPT ...

The three main energy users are …

Canadian scientists developed the Canada Deuterium-Uranium reactor to provide nuclear energy in parts of Canada and to sell to other countries. The major problem with this reactor is the …

The costs of treating lakes, that have been damaged by acid rain, have to be paid for by every citizen. This makes this type of cost …

Insulators are rated by their insulating ability. R-value is given to each material that is used in the construction of a building. The best insulating product would have a …

Is heat a substance or a form of energy? Explain your answer.

Describe one example of heat technology from the past and one example from the present day.

List the four main ideas of the particle model of matter.

How does the particle model explain a change of state of matter?

A metal bolt heated to a high temperature will be slightly larger than if it was in a freezer. Why?

Define conduction, convection, and radiation.

Give three examples of natural thermal energy.

Describe how passive and active solar heating systems differ.

Explain how a thermostat works and why it is important for safety.

Describe three non-renewable resources.

When you have completed all the questions and watched ALL the videos draw a happy face in the box to indicate that you have completed all of this exam.

In early times, people observed that heat – because it seemed to flow from a hot place to a cold place – must be an invisible fluid that they called …

Co-generation is a process in which two forms of energy are produced at the same time from one energy source. The two forms of energy produced are usually…

A dangerous by-product, from the use of fossil fuels (coal, natural gas, and oil) enters the atmosphere when industries burn this fuel. A by-product can react with water in the air to form acid rain. The by-product is ...

Thermal energy has the power to hurt us and destroy our possessions. All of the following practices are dangerous and harmful EXCEPT ...

The three main energy users are …

Canadian scientists developed the Canada Deuterium-Uranium reactor to provide nuclear energy in parts of Canada and to sell to other countries. The major problem with this reactor is the …

The costs of treating lakes, that have been damaged by acid rain, have to be paid for by every citizen. This makes this type of cost …

Insulators are rated by their insulating ability. R-value is given to each material that is used in the construction of a building. The best insulating product would have a …

Is heat a substance or a form of energy? Explain your answer.

Describe one example of heat technology from the past and one example from the present day.

List the four main ideas of the particle model of matter.

How does the particle model explain a change of state of matter?

A metal bolt heated to a high temperature will be slightly larger than if it was in a freezer. Why?

Define conduction, convection, and radiation.

Give three examples of natural thermal energy.

Describe how passive and active solar heating systems differ.

Explain how a thermostat works and why it is important for safety.

Describe three non-renewable resources.

When you have completed all the questions and watched ALL the videos draw a happy face in the box to indicate that you have completed all of this exam.