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19 Cards in this Set

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  • Back
boiling point
- the temperature at which a liquid begins to boil and turn into a gas
condensation
the process of changing from a gas or vapour into a liquid
contraction
- a decrease in the volume of an object
convection
- the transfer of heat by the movement of a fluid from one part to another (or the transfer of heat by the movement of particles from one part of a fluid to another)
conduction
- the transfer of heat by the collision of particles inside a material
expansion
- the increase in volume of an object
evapouration
- the change of state from a liquid to a gas
heat
- thermal energy transferred from one object or substance to another (or a form of energy that molecules of a substance have)
heat capacity
- the measure of the amount of heat needed to raise the temperature of 1kg of a substance by 1°C
insulator
- a substance that prevents the passage of heat, sound, or electricity
particle theory
- a theory used to explain heat and pressure that suggests that all matter is made up of tiny moving particles too small to be seen
radiation
the transfer of energy by means of waves such as light waves or infared rays
sublimation
- the change of state from a solid directly to a gas or from a gas directly to a solid
solidification
- the change of state from a liquid to a solid, sometimes called freezing
water cycle
- the cycle that collects, purifies and redistributes the Earth's water
temperature
- a measure of the average energy of motion of the particles of a substance
thermometer
- a device that uses the expansion and contraction of solids to measure temperature
thermostat
- a device that uses the expansion and contraction of a solids to measure temperature
vapourization
- the rapid conversion of a liquid into a gas or vapour, sometimes known as boiling