WorksheetsNS1 - Machines and structures
Total questions: 20
Worksheet time: 13mins
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.
For a machine to work, you need to use a force.
True
False
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
Wedge
Wheel and axle
Screw
Wedge
Lever
Pulley
Wedge
Screw
Lever
What is a pulley?
It is a square and axle with a rope or a chain around it.
It is a wheel and axle with a rope or a chain around it.
It is a wheel, rigid bar and axle with a rope around it.
Parts of a pulley
Wheel, axle and rock
Wheel, axle and rope
Wheel and rope
Circule, wheel, axle and rope
What is a lever?
It is a flexible bar that rests on a fixed point.
It is a rigid circle that rests on a fixed point.
It is a rigid bar that rests on a fixed point.
A screw is...
An object that cuts through things.
An inclined plane wrapped around a cylinder.
A plane wrapped around a cylinder.
Two inclined planes together
Two of these are simple machines. Which ones?
Screw
Lightbulb
Watch
Wheel
In a bike, pedals are...
gears
levers
pulley
In a bike, the handlebars are...
gears
inclined plane
levers
Which of these is a complex machine?
what is a structure?
Is a group of pillars and materials that Make up a building
is a group of elements which can support weight
Some girders that support weight
Which are the main elements of a structure?
Griders and pillars
Base, girders and axis
Pillars, levers and fulcrums
Fulcrum, force and load
