Transferring Energy Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

True or false? Energy can be created but not destroyed.

A

False

Conservation of energy states that energy is never created OR destroyed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Give three ways in which energy can be transferred.

A

E.g. energy can be transferred mechanically, electrically, or by heating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is meant by a system?

A

A system is an object or a group of objects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

In a closed system, how do energy transfers affect the total energy of the system?

A

In a closed system, energy transfers have no effect on the total energy of the system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Describe the energy transfers that take place when water is heated in an electric kettle. Name the energy stores that are involved.

A

Energy is transferred electrically to the thermal energy store of the kettle’s heating element, which transfers energy by heating to the water’s thermal energy store.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly