Energy glossery Flashcards
What is biomass
The dry mass of energy in an organism
Chemical store
Energy that is stored in food, batteries or fuel
What is conduction
The movment 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
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 is J
What is a Kilojoule
It is a 1000 joules and the symbol is KJ
What is a kilowatt
Its symbol is KW and its 1000 watts
What is kinetic energy
This type of energy relates to anything that
is moving
What is nucular energy
This is relesed from nucular reactions
What is radiation
The transfer of heat as a wave. Heat radiation is
affected by surface, colour and texture.
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 °C
What is a thermometer
A device that can be used to measure temperature
What is a watt
A unit of power the symbol is W
