Dissipation of Energy (KS3-4) Quiz 2

Energy can be created.

• True
• False

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

• Energy cannot be created or destroyed.

Tags

NGSS.MS-PS3-5

The SI Unit for Energy is

• Joule

• Potential

• Calorie

• Kilojoule

"Explain and investigate different methods of reducing heat transfer": When insulating a house, what methods can be used to keep in the heat?

"To be able to recall a definition for dissipation": What does dissipation mean?

• Dissipation is a term that is used to describe ways in which energy is wasted.

• Dissipation is a term that is used to describe ways in which energy is stored.

• Dissipation is a term that is used to describe ways in which energy is transferred.

"Identify the different methods of energy transfer": What form of energy transfer is happening in the water of the boiling kettle?

• Conduction

• Radiation

• Convection

"Identify the different methods of energy transfer": What form of energy transfer is happening from the sun to the earth?

• Conduction

• Radiation

• Convection

What makes these insulation methods (such as cavity wall insulation, loft insulation and double glazing) ideal for reducing energy transfer?

• Air gaps that are present in these methods limit energy transfer.

• The materials used to insulate produce their own heat.

• These insulation methods do not have any particles.

How can we reduce energy that is being wasted?

Which method of energy transfer does not make use of particles?

• Convection

• Conduction

• Radiation