Marshfields School
Science Department
Homework Booklet
Year 8
Heat
Sound
Name:
__________________
Teacher: __________________
1
Heat
Match the word to the definition
WORD
DEFINITION
boiling point
Get bigger because particles get further apart
conduction
A piece of equipment used to measure temperature
conductor
A material that does not let thermal energy pass
through it
contract
Temperature at which a liquid turns into a gas
convection
Transfer of thermal energy through fluids or gases
by the movement of particles
energy
Transfer of thermal energy by particles hitting each
other
expand
Temperature at which a solid turns into a liquid
insulator
The very small objects that solids, liquids and
gases are made up of
Joule
A material that lets thermal energy flow through it
melting point
Type of energy linked to particle movement, sometimes called heat
particles
The ability to do work, measured in Joules
temperature
The unit of energy
Thermal energy
How hot an object is
thermometer
Get smaller because particles get closer together
Write down the following in the order in which they would boil.
Put the quickest first. Use the letters for your answer:
A a half-full kettle of water.
B a half-full bath of water.
C a full kettle of water.
D a full bucket of water.
E a swimming pool full of water.
Order: ______________________________________________
2
Heat
3
Sound
Match the word to the definition
Revision
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A
Which trace is the lowest frequency? _________________________________
B
Which trace is the quietest? ________________________________________
C
Which 2 traces are the same pitch (same note)? ________________________
D
Which 2 traces are the same volume (loudness)? ________________________