PW6&7: Energy and Energy Transformations

Front

Energy is measured in what unit? Options: Watt, Joule, Newton, Kilowatt

Back

Joule

Front

Which form of energy is caused by vibrations? Options: Sound, Thermal, Light, Kinetic

Back

Sound

Front

A car driving on a road is an example of what type of energy?

Back

Kinetic

Front

What type of energy is caused by splitting atoms?

Back

Nuclear

Front

What type of energy is stored in food and fuel?

Back

Chemical

Front

A stone held out in a hand has what type of energy? Options: Kinetic, Potential, Sound, Friction

Back

Potential

Front

A car being powered by petrol is an example of what type of energy conversion?

Back

Chemical to Kinetic

Front

Wasted energy or useless energy is called...

Back

Dissipation

Front

What type of diagram is used to show the flow of energy to and from a device?

Back

Sankey

Front

What is the efficiency of the bulb picture? Options: 100 percent, 10 percent, 50 percent, 90 percent

Back

10 percent