PW6&7: Energy and Energy Transformations

Energy is measured in what unit?

• Watt

• Joule

• Newton

• Kilowatt

Which form of energy is caused by vibrations

• Sound

• Thermal

• Light

• Kinetic

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

• Thermal

• Sound

• Nuclear

• Kinetic

What type of energy is caused by splitting atoms?

• Nuclear

• Chemical

• Kinetic

• Solar

What type of energy is stored in food and fuel?

• Nuclear

• Kinetic

• Potential

• Chemical

A stone held out in a hand has what type of energy?

• Kinetic

• Potential

• Sound

• Friction

A light bulb being switched on is a form of what energy conversion?

• Kinetic to light

• Light to heat

• Electrical to light

• Electrical to heat

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

• Chemical to Kinetic

• Kinetic to Sound

• Chemical to light

• Nuclear to Kinetic

Wasted energy or useless energy is called...

• Heat

• Sound

• Efficiency

• Dissipation

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

• Flow

• Venn

• Pie chart

• Sankey