WorksheetsEnergy and machines
Total questions: 27
Worksheet time: 27mins
A machine is any object that we use to perform a task...
... with less effort or more speed.
... with more speed.
... in a natural way.
... more effort.
This machine needs...
Electrical energy
Chemical energy
Mechanical energy
This machine needs...
Mechanical energy
Electrical energy
Chemical energy
This machine needs...
Thermal energy
Mechanical energy
Chemical and electrical energy
This machine needs...
Electrical energy
Power of wind
Thermal energy
SIMPLE MACHINES are made of ___________ pieces.
just one piece or very few pieces
many pieces
This simple machine is a ....
... inclined plane
... lever
... pulley
This simple machine is a ....
... inclined plane
... pulley
... lever.
This simple machine is a ....
... pulley
... inclined plane
... lever
This simple machine is a ...
... inclined plane
... pulley
... lever
The oldest machines were....
Simple
Complex
Look at the pictures. Which is a gear?
Machines with no or very few moving parts are called…
Easy machines
Complex machines
Simple machines
Compound machines
What type of machine is this?
Simple machine
Complex machine
Easy machine
What type of machine is this?
Simple machine
Easy machine
Compound machine
Complex machine
Machines are…
Instruments that only help us to lift objects
Objects that we don’t use
Instruments which help us perform a job faster and easier
You can create a complex machine by putting two or more simple machines together.
True
False
This picture corresponds to a :
A pulley
A wheel
A lever
An inclined plane
How many types of machines do you know?
Big and small machines
Simple and mechanical machines
Mechanical and electrical machines
Simple and compound machines
Which is the simple machine that appears in the picture?
Pulley
Lever
Wedge
Wheel and axle
Examples of simple machines.
Pulley
Inclined plane
Lever
All of them are correct
Which type of energy does a bicycle use?
Mechanical energy
Thermal energy
Electrical energy
None of them
Which machine can you see in the picture?
Lever
Inclined plane
Pulley
Wheel
What is a pulley used for?
To transmit forces
To lift objects with effort
To lift objects without effort
To give electrical energy
Machines need ………… to work
Forces or energy
Animals
Nothing
Batteries
…………. help us perform a job without effort and faster.
Belts and chains
Gears
Machines
Mechanisms
In the past you could travel around the world faster and easier.
True
False
