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4th Science Review

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    4th Science Invisible Forces
  •   Study   Slideshow
  • Mass is the amount of ____________ in an object.
    matter
  •  15
  • True or false: Mass is measured in millilitres (ml) and litres (l).
    False. grams (g) and kilograms (kg)
  •  15
  • Everything in the Universe is made of ______________.
    matter
  •  15
  • The amount of space an object occupies is called __________.
    volume
  •  15
  • What units do we measure volume in? Kg? g? ml? l?
    millilitres (ml) & litres (l)
  •  15
  • True or False: Mass is anything that occupies space and has mass.
    False: *Matter* is anything that occupies space and has mass.
  •  15
  • How many states of matter are there?
    3
  •  5
  • Name this state of matter.
    Solid
  •  15
  • Name this state of matter.
    Liquid
  •  15
  • Name this state of matter.
    Gas
  •  15
  • How can we change states of matter?
    By melting, evaporating, condensing, or solidifying
  •  20
  • When temperature increases do atoms move closer together or further apart?
    further apart
  •  15
  • True or False: Friction is a non-contact force.
    False
  •  10
  • How many types of forces are there? Name them.
    2: contact forces & non-contact forces
  •  10
  • What forces can you see in the picture?
    Push & Pull
  •  10
  • What force is very weak in space?
    Gravity
  •  20