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Mixtures and Machines Review 4C

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  • What type of machine is this? It moves objects up and down different levels
    Inclined ramp
  • What type of machine is this? It holds things together or lifts objects
    Screw
  • What type of machine is this? It cuts objects
    Wedge
  • Is this a simple or complex machine? What form of energy does it use to work?
    Complex machine, bus, it uses petrol
  • What type of machine is this? It moves objects from one place to another
    Wheel and axle
  • Which method of separating mixtures is good for separating solids and liquids?
    Filtering
  • True or false? Simple machines have few or no moving parts.
    True
  • What method of separating mixtures is this?
    Evaporation
  • What are the three methods we can use to separate mixtures?
    Sieving, filtering, evaporating
  • What method of separating mixtures is this?
    Filtering
  • Which method of separating mixtures is good for separating solids of different sizes?
    Sieving
  • What method of separating mixtures is this?
    Sieving
  • True or false? A mixture is something that contains one material
    False - a mixture contains two or more different materials
  • Which method of separating mixtures is good for separating a solid that is dissolved in a liquid?
    Evaporating
  • What type of machine is this? It lifts objects
    Lever
  • What type of machine is this? It lifts and lowers heavy objects
    Pulley
  • Is this a simple or complex machine? What form of energy does it use to work?
    Complex machine, mobile phone, it uses batteries
  • Is this a simple or complex machine? What form of energy does it use to work?
    Complex machine, bicycle, it uses people for energy