Study

Science Year 3

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  • Where does electricity used in our school come from? (_______ stations)
    Power
  • Is melting and ice cube a permanent or temporary physical change?
    Temporary change
  • If the GREEN team wins, which team pulled with a bigger force?
    Green team
  • Describe the shapes found in this picture
    Square windows, rectangular door, triangular roof/trees
  • Is cooking an egg a permanent or temporary physical change?
    Permanent Change
  • What is an electricity safety rule we should follow?
    Do not put things in the outlet, switch off lamps before pulling out the plug, do not break batteries or wires
  • Was the spring PULLED or PUSHED by the 1 kg mass?
    PULLED
  • Where is the source of electricity for an iPhone?
    The battery
  • Is hitting a hammer with a nail a PUSH or a PULL force?
    PUSH
  • What changes is caused by heating an ice cube?
    It will melt into water (a liquid)
  • Which material floats the best? Rock, metal, or plastic?
    Plastic - It is the least dense
  • Why does our classroom door get stuck during the HOT summer, but not in the COLD winter?
    Solid materials gets bigger (expands) with heat, so the wooden door is bigger when it is hot