# Physics: Energy resources and energy transfer

Quiz by , created over 4 years ago

## GCSE Physics Quiz on Physics: Energy resources and energy transfer, created by katgads on 12/15/2014.

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 Created by katgads over 4 years ago
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### Question 1

Question
Which of these are forms of energy waiting to be turned into one of the other forms? (Tick all that apply)
• Thermal
• Chemical potential
• Gravitational potential
• Kinetic
• Electrical
• Light
• Elastic potential
• Nuclear
• Sound

### Question 2

Question
What is the principle of the conservation of energy?
• Energy can never be created or destroyed; it can only be converted from one form to another.
• Energy can be created or destroyed; it can also be converted from one form to another.

### Question 3

Question
A light bulb has a total energy input of 200J. 190J of this is wasted energy. Work out the energy efficiency.
• 10%
• 5%
• 90%

### Question 4

Question
Draw a Sankey diagram for a candle which wastes most of its energy as heat.

### Question 5

Question
Describe the energy transfer in this picture.
• kinetic ---> electrical
• electrical ---> sound ---> light
• gravitational potential ---> kinetic ---> electrical
• gravitational potential ---> electrical ---> sound

### Question 6

Question
Tick all of the true statements.
• A device which transfers one form of energy into another is called a transducer.
• Energy is normally wasted as heat and sound.
• Wasted energy dissipates into the surroundings.
• Dissipated energy cannot be re-used.

### Question 7

Question
Which type of heat energy transfer only takes place in fluids and involves warmer, less dense regions of fluid moving upwards and being replaced by colder, sinking fluids?
• Conduction
• Convection

### Question 8

Question
All types of energy require particles to be transferred.
• True
• False

### Question 9

Question
Which of these loses energy more quickly?
• A bright, shiny surface
• A dull, black surface

### Question 10

Question
Which features of a vacuum flask prevent heat loss by conduction?
• A thin vacuum between the walls
• Silvered walls
• Cork or plastic stopper

### Question 11

Question
Find the work done by a car driving at a force of 500N 200m down a road.
• 1000J
• 5000J
• 700J
• 300J

Question
What is power?