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What are machines?
Machines are devices which help us in our daily lifes
What are the two types of machines?
SImple and coplex machines
What are simple machines?
They are devices made up of one or two parts
Which simple machine helps us to split objets?
Wedge
Which simple machine help us to hold two objects together?
Screw
Which simple machine is a long bar that moves around a fulcrum?
Lever
What do we use an inclined plane for?
To lift or lower objects to a different level
What do we use a pulley for?
To lift or lower objects easily
What do we use a wheel and axle for?
To move objects easily
What are complex machine?
It is made up of two or more simple machines
Say three examples of complex machines
Which tool is used to hit nails into the wall?
hammer
which tool is used to turn screws?
screwdriver
which tool is used to cut objects like wood?
hand saw
what do we use the pliers for?
to cut small things like wire
When using machines, why do we need a hard hat?
To protect your head
