Worksheets3º. Unit 6. Machines and inventions
Total questions: 32
Worksheet time: 20mins
A (a) uses a a rope and a wheel yo lift and lower heavy objects.
A _____ can be used to cut objects.
screw
lever
wedge
pulley
It is used for moving objects up and down different levels.
Inclined plane
Wedge
Screw
Lever
It uses a rigid bar and a fulcrum to push an object up or down.
(a)
It is used to hold things together.
pulley
screw
wedge
lever
They have few or no moving parts (plural).
(a)
What is the name of this simple machine?
Screw
Pulley
Inclined plane
Axle
Choose the simple machines
This is an example of a (a)
It is a...
wedge
lever
screw
pulley
Choose the wedge
What is this?
Pulley
Wheel and axle
Inclined plane
Lever
We use a _____________ to turn screws.
Hammer
Screwdriver
Saw
Spanner
We use a _____________ to hit nails into a surface.
Hammer
Screwdriver
Saw
Spanner
To turn bolts we use a....
Hammer
Screwdriver
Saw
Spanner
To cut wood and other materials we use a...
Hammer
Screwdriver
Saw
Spanner
Write the name of this simple machine
(a)
Write the name of this simple machine
(a)
Write the name of this simple machine
(a)
Write the name of this simple machine
(a)
A pulley is used for joining two things together.
True
False
An inclined plane is used for moving objects up and down different levels.
True
False
A lever is used for cutting things.
True
False
A wheel and axle is used for transports.
True
False
This person invented the telegraph.
Alexander Graham Bell
Samuel Morse
Charles Babbage and Ada Lovelace
Hedy LaMarr
These people invented the first computer and the first computer program.
Alexander Graham Bell
Samuel Morse
Charles Babbage and Ada Lovelace
Hedy LaMarr
This person invented the telephone.
Alexander Graham Bell
Samuel Morse
Charles Babbage and Ada Lovelace
Hedy LaMarr
Machines make work easier.
True
False
Simple machines have many moving parts.
True
False
Complex machines are made up of two or more simple machines.
True
False
Bicycles and cars are complex machines.
True
False
A bicycle is made up of many simple machines.
True
False
