UNIT 8: MACHINESDifferent machines
TEACHER: JAVIER ROBLES
This is a spade
Spade is a simple machine
These are scissors
Scissors are a simple machine
This is a hammer
Hammer is a simple machine
This is a car
Car is a complex machine
This is a dishwasher
Dishwasher is a complex machine
This is a radio
Radio is a complex machine
This is a computer
Computer is a complex machine
Complex machines are made up of many
pieces
They use human energy, electricity o
petrol to work.
Simple machines are made up of few pieces
They use human energy