how does it work
Post on 19-Jun-2015
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How does
it work?
SCIENCE UNIT 10
Tools and machinesTools and machines make work easier
but machines are more complex.
A pick is a tool A road drill is a machine
Both make holes, but the road drill is more complex
Tools
Machines
Car
Washing machine
Crane
Watch
Road drill
Hairdryer
Fridge
Microwave
Iron
Machines:
Means of transport
bicycle car tractor bus
plane motorbike lorry helicopter
Machines:Means of communication
computer television
telephone radio
Parts of a computer
Central Processing Unit
Machines that use petrol
Machines that use batteries
Machines that use electricity
What tools do different professions use?
doctor farmer
firefighter mechanic
hairdresser cook
teacher builder
cleaner pilot
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