Glossary
Temperature – How hot or cold
something is. Temperature is 0
measured in Degrees Celsius( C)
Thermometer – We use it to
measure temperature.
Thermal Conductor – Material that
lets heat pass through it.
Thermal Insulator – Material that
does not let heat pass through it.
Volume – The amount of liquid in a
container. Volume is measured
in
3
 millilitres (ml) or (cm )
 centilitres (cl) 1cl = 10ml
 litres (l)
1l = 1000ml or 100 cl
Glossary
Boil - To change a liquid into a gas
Container – Any object that can be
used to hold things e.g. a bag / a tin
Evaporate – To change into a gas
Freeze – To change a liquid into a
solid
Freezing point – Temperature atO
which a liquid changes into a solid
o
The freezing point of water is 0 C
Gas – Something that fills a space
and is not a solid or a liquid e.g. air
or water vapour (steam)
Liquid – Something that flows easily
Melt – to change a solid into a liquid
Solid – something that has a
definite shape and volume