What is this invention? What does it do?
It is a radio. It helps us receive information.
Is this a simple or complex machine? What type of energy does it use?
It is complex. It uses fuel/ gas energy.
What is a simple machine?
A machine made from a small number of components.
Is this a simple or complex machine? What type of energy does it use?
It is complex. It uses human/ manual energy.
What is this invention? What does it do?
It is a steam engine. It helps transport things using steam energy.
Give an example of a simple machine.
Ex: pulley, ramp, inclined plane, wheel, lever, etc.
Is this a simple or complex machine? What type of energy does it use?
It is simple. It uses human/ manual energy.
What is this invention? What does it do?
It is the phone. It helps us communicate.
What is a pulley? What is its function?
It is a simple machine. I uses a wheel and a rope to lift things.
What is a ramp? What is its function?
It is a simple machine. It helps us raise and lower objects.
What is a complex machine?
Machines that are made of many components.
What is a wheel? How does it work?
It is a simple machine. It rotates around an axle.
What is a lever? What is its function?
It is simple. It moves things using a bar and pivot.
Is this a simple or complex machine? What type of energy does it use?
It is complex. It uses electrical energy.
Give an example of a complex machine.
Ex. bike, computer, telephone, etc.
Name the two types of machines?
Simple and complex.
Is this a simple or complex machine? What type of energy does it use?
It is complex. It uses fuel/ gas energy.
What are the different simple machines that make a bike?
Levers (brakes, handlebars), Wheels (wheels and gears)
Is this a simple or complex machine? What type of energy does it use?
It is complex. It uses electrical energy.
What are gears? What is their function?
They are simple. They are wheels with teeth and help things move.
What is this invention? What does it do?
It is a printing press. It makes books, magazines and other papers quickly.