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Science Grade 4 review

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  • The amount of matter in an object is.........
    force
    mass
    weight
    pressure
  • The force of gravity acting on an object is the object's ______.
    weight
    mass
    friction
    matter
  • What is the SI unit used to measure force?
    Newtons
    pounds
    grams
    kilograms
  • Why do your feet stay on the ground instead of floating?
    weight
    centrifugal force
    gravity
    volume and mass
  • Mediums of light (transparent, translucent, opaque): stone wall
    opaque
  • Two factors effecting the magnitude of the force of gravity between 2 objects are...
    mass and matter
    weight and mass
    mass and distance
    distance and weight
  • Which of the following has the strongest gravitational pull?
    Sun
    earth
    a ball
    mooon
  • How does light travel?
    in a wavy path
    in a zigzag path
    in a straight path
    no answer
  • How much gravity an object has depends on its _______.
    mass
    weight
    equal
    speed
  • The farther apart two objects are, the __ their gravity.
    equal
    more equal
    weaker
    stronger
  • Mediums of light (transparent, translucent, opaque): wooden door
    opaque
  • Mediums of light (transparent, translucent, opaque): clear glass window
    transparent
  • What happens when light hits an object?
    The light curve around the object.
    The light and the object do not form a shadow.
    The object reflects the light.
    The light turns to corners.
  • Which is the biggest source of light?
    moon
    The sun
    stove
    light bulb
  • Which is not an artificial source of light?
    stove
    sparkler
    candle
    firefly
  • Mediums of light (transparent, translucent, opaque): paper
    translucent
  • Which of the following never changes no matter where in the universe?
    pound
    weight
    force
    mass
  • What kind of matter does light move the fastest?
    candle
    firefly
    sparkler
    stove
  • Mediums of light (transparent, translucent, opaque): table
    opaque
  • What would happen if the Earth did not have any gravity?
    The lifespan of man and animals would drop sharply
    none
    life would cease to exist
    The moon would crash to earth
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