Energy Glossery Flashcards
(21 cards)
What is biomass?
The dry mass of energy in an organism.
What is chemical
store?
Energy that is stored in food, batteries or fuels.
What is conduction?
The movement of heat through solids.
What is convection?
The movement of heat through liquids and gases.
What is dissipated?
Energy that spreads out into the environment.
What is elastic store?
Energy that is stored when an object has changed
shape - for example, a spring or elastic band.
What is emit
To release or give out.
What is energy?
There are many different types of energy - for
example, heat and light. The unit of energy is the
joule (J).
What are fossil fuels?
Coal, oil and gas – these were formed from dead
animal and plants over millions of years.
What is gravitational
potential?
This type of energy is possessed by anything which
can fall.
What is infrared
radiation?
Radiation given off by the sun.
What is a joule?
The unit of energy; the symbol for it is J.
What is a kilojoule?
The symbol is KJ
1000J=1KJ
What are kilowatts?
The symbol is KW
1 KW= 1000W
What is kinetic
energy?
This type of energy relates to anything that
is moving.
What is nuclear energy?
This is released from nuclear reactions.
What is radiation?
The transfer of heat as a wave. Heat radiation is
affected by surface, colour and texture.
What is renewable?
Energy sources that will not run out - for example,
solar or tidal energy.
What is temperature?
How hot or cold something is, measured in ºC
What is a thermometer?
A device that can be used to measure temperature.
What are watts?
The unit of power – the symbol is W.
