Simple machines | Science | Quizalize & Oak National Academy

Starter quiz

Gears, levers and pulleys make it __________ to perform a task.

easier ✓

more difficult
Which simple machines are shown in this image?

pulleys

gears ✓

levers
Which of these words is not associated with pulleys?

rope

wheel

pivot ✓

effort
What is the name given to the thing you try to move using simple machines?

load ✓

effort

mass
Which of these images shows a correctly labelled simple machine?

the pulley ✓

the lever
If the smaller gear is turned, how will this affect the speed and force of the larger gear?

it will be slower and with less force

it will be slower and with more force ✓

it will be faster and with less force

it will be faster and with more force

Which statement is true about simple machines?

They reduce the effort required to perform tasks. ✓

They keep the effort the same required to perform tasks.

They increase the effort required to perform tasks.
What is the name for a new machine that has not been made or used before?

product

invention ✓

design

mechanism
Which simple machine is shown in the image?

wheel with axle

pulley

inclined plane

wedge ✓

screw
Which simple machine is shown in the image to help cars to board the ferry?

wheel with axle

pulley

inclined plane ✓

wedge

screw
Which simple machine is shown in the image?

wheel with axle ✓

pulley

inclined plane

wedge

screw
Match the simple machine to the task it makes easier.

wedge

⇔

splitting materials ✓

inclined plane

⇔

raising the height of a load without lifting ✓

screw

⇔

joining materials together ✓

wheel and axle

⇔

moving loads over surfaces or winding in rope ✓

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Simple machines are useful because they make it easier for people to perform tasks beyond their normal capabilities.
There are different types of simple machine: the wheel and axle, pulley, inclined plane, screw, wedge and lever.
Inventions using simple machines help us in our everyday lives.

Machines all involve engines and need a power source.

Explicit teaching and explanation that simple machines do not often have moving parts and do not need a power source.

Mechanism - A mechanism is something which performs a task.
Simple machine - A simple machine is something which performs a task and has no, or few, moving parts.
Inclined plane - An inclined plane is a simple machine. It is also called a ramp.
Invention - An invention is a process or machine that has not been created before.
Engineer - An engineer is a person who designs and builds things.