WorksheetsYR 4 SCIENCE UNIT 10 MACHINES
Total questions: 27
Worksheet time: 27mins
What is a simple machine?
A device that has only one working motor
A device that makes work easier
A device that makes more work for a job
Device that is made up of two or more machines
How many basic types of simple machines are there?
7
6
8
9
The picture shows a part of a bicylce which is a ............... .
whell and axle
lever
gear
pulley
Can you name this simple machine?
wheel and axle
lever
pulley
wedge
This simple machine cut objects apart.
wedge
lever
pulley
inclined plane
A door knob is an example of ___________
lever
pulley
wheel and axle
wedge
A worker is facing difficulty to carry boxes out of the lorry. Which simple machine can help the worker?
Lever
Wedge
Inclined plane
Gear
Name this simple machines
wedge
screw
pulley
gear
This picture shows example of simple machine. What it is?
screw
lever
incline plane
wheel and axle
Which of these is not part of the lever?
wheel
Fulcrum
Load
Lever
A seesaw is an example of a
wedge
lever
inclined plane
pulley
The device used to raise a flag up a flag pole is an example of a
wheel and axle
lever
inclined plane
pulley
A simple machine that splits an object apart is a
inclined plane
fulcrum
wedge
lever
This simple machine can hold things together or to lift an object.
Screw
Pulley
Wedge
Wheel and Axle
Which of the following is a simple machine that can easily lift loads to higher place?
Among the following tools, which is the most sustainable for harvesting paddy?
Which is an example of someone using a simple machine to do work?
a boy runs across a football field
a banker counts money
a mother pushes a trolley up a ramp
a girl eats a sandwich
A rod is an example of a complex machine. What is the simplest machine available on this rod?
lever, wheel and axle and pulley
lever, inclined plane & pulley
wheel and axle, pulley & inclined plane
gear, lever & inclined plane
Choose two characteristics of a sustainable machine.
Cheap
safe to use
does not harm the environment
Larger size
