the basics
What are these compound machines
forestry
mining
100
This is a mix of 2 simple machines
What is a compound machine
100
this compound machine has a screw, wheel and axle and a wedge
What is a can opener
100
this a yellow and green machine
What is a feller buncher
100
this machines moves coal to a truck
What is a conveyor belt
200
your arm has two simple machines
What is a lever and wedge
200
this machine has a wedge and lever
What is a hammer
200
this machine has a wheel and axle,pulley,I.P. and screw.
What is a log truck
200
moves coal long time ago
What is minecart
300
this compound machine has
What is scissors
400
a common machine you use everyday and very simple
What is a door
400
this machine has a pulley, screw, lever and a wheel and axle
What is a bike
500
this machine moves and has all simple machines
What is car
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