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SS4 unit 7 -8 Midterm review + Grammar

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