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SS4 unit 7 -8 Midterm review + Grammar
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What is this?
It is a front wheel
It is a back wheel
It is a tyre.
Oops!
Okay!
We use this simple machine to move objects up or down.
inclined plane
screw
gears
lever
Oops!
Okay!
The pedals are....
inclined planes
wedges
levers
pulleys
Oops!
Okay!
What are these?
They are chains
They are pedals
They are handlebars
They are brakes
Oops!
Okay!
We push these with our feet. They make the wheels turn around.
brakes
pedals
tyre
front wheel
Oops!
Okay!
We use this simple machine to lift or move objects.
A wheel and axle
wedge
screw
pulley
Oops!
Okay!
What are these?
They are gear controls
They are brakes.
They are brake levers
They are cassettes
Oops!
Okay!
Which of the following is not true?
Wheel and axle - to cut or separate objects
Pulley - to lift objects to a higher place
Lever - to carry or move heavy objects easily
Gear - to move objects easily
Oops!
Okay!
These are pulleys. The force from them travels along the chain to the back wheel.
handlebars
brakes
gears
pedals
Oops!
Okay!
A bicycle is a ....
complex machine
simple machine
Oops!
Okay!
What is this?
pedals
A handlebar
A helmet
Oops!
Okay!
What are these?
pedals
gears
a tyre
brakes
Oops!
Okay!
What are these?
They are brakes.
They are gears.
They are wheels
They are gear controls.
Oops!
Okay!
These are levers. We use them to change direction when we're on a bicycle.
brakes
front wheel
gears
handlebars
Oops!
Okay!
When we want to stop the bicycle, we use our hands to ______ and ______ the brake levers.
push,pull
push,twist
pull,twist
Oops!
Okay!
We use this simple machine to hold things together or lift objects.
An inclined plane
A wedge
A screw
A lever
Oops!
Okay!
A bicycle needs our _________ to work
thermal energy
potential energy
chemical energy
kinetic energy
Oops!
Okay!
A wrist-watch is a complex machine which...
uses a battery
uses electricity from the mains
Oops!
Okay!
What is this?
A triangle
A bicycle seat
A bicycle chair
Oops!
Okay!
Which simple machine do we use to lift or lower objects?
A lever
An inclined plane
A pulley
A wedge
Oops!
Okay!
What is this?
It is a tyre.
It is a back wheel.
It is a front wheel.
Oops!
Okay!
A simple machine...
is made up of simple machines
has few or no moving parts
is something we use to make work easier
Oops!
Okay!
What is a machine?
Any instrument that helps us to do work easily
Any instrument that helps us move from a place to another pl
Any instrument invented by humans
Any instrument that uses a motor to function
Oops!
Okay!
We use our hands to change these when we want to go up or down a hill.
brakes
pedals
gears
gear controls
Oops!
Okay!
What is this?
a tyre
chain
wheel
brakes
Oops!
Okay!
Robots use _______ .
chemical energy
electricity
solar energy
Oops!
Okay!
A tap is a simple machine that has...
pulley
inclined plane
lever
wheel and axle
Oops!
Okay!
A machine is something we use to make work
easier
more difficult
slower
Oops!
Okay!
This complex machine uses...
electricity from the mains
electricity from batteries
Oops!
Okay!
We hold the _________ and use these to change direction.
brakes
gears
gear controls
handlebars
Oops!
Okay!
The _____ press against the wheels and this force slows the speed of the bicycle.
brakes
pedal
front wheel
back wheel
Oops!
Okay!
What are these?
They are gears
They are handlebars
They are brakes
They are brake levers.
Oops!
Okay!
The handlebars are....
levers
inclined planes
pulleys
wedges
Oops!
Okay!
A __________ is a machine that can do work automatically.
TV
robot
simple machine
Calculator
Oops!
Okay!
What are these?
They are gear controls.
They are brake levers
They are gears
They are brakes
Oops!
Okay!
A complex machine...
is made up of simple machines
has few or no moving parts
is something we use to make work easier
Oops!
Okay!
The gears are ______
levers
pulleys
wedge
wheel and axle
Oops!
Okay!
We use this simple machine to cut objects.
pulley
lever
screw
wedge
Oops!
Okay!
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