Types of Energy
Moving objects have this type of energy
What is kinetic energy?
It is impossible to do these two things to energy
What is create it or destroy it?
Heat produced by a lightbulb is an example of this
What is wasted energy?
These energy sources are made from the remains of organisms that have been placed under pressure after they decomposed
What are fossil fuels?
This energy production method harnesses the power of the sun
What is solar energy?
This type of energy powers most appliances
What is electrical energy?
This occurs when energy is passed from one object to another
What is a transfer?
The majority of a moving cars wasted energy is this type of energy
What is thermal energy?
This black stone made of carbon accounts for 30% of Australia's energy production
What is coal?
The Snowy River is used for this type of energy production
What is hydroelectricity?
Food contains this type of energy
What is chemical energy?
This word describes energy changing form
What is transformation?
Insulating a house prevents this happening during winter
What is heat loss?
Burning fossil fuels produces these gases
What are greenhouse gases?
This energy production method harnesses the power of waves
What is tidal energy?
When you lift an object you increase this type of energy
What is gravitational potential energy?
Chemical energy turns into these three forms of energy when wood is burnt
What are thermal energy, light energy and sound energy?
This formula is used to calculate energy efficiency
η = (win/wout) x 100
This instrument is used to detect nuclear radiation
What is a Geiger counter?
Renewable resources regenerate within this period of time
What is a human lifespan?
This type of energy is stored in the nuclei of cells
What is nuclear energy?
As a skater moves up a ramp, this happens to their kinetic energy
What is it transforms into gravitational potential energy?
A computer screen that uses 800J of electricity to produce 200J of light energy has this energy efficiency
How much is 25%?
Burning coal releases these heavy metals
What are lead and mercury?
This energy source uses heat from beneath the Earth's surface
What is geothermal energy?