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Science 2 Review

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  • This is where the electricity moves along. What do you call this path?
    circuit
  • Give an object that is repelled by magnet.
    Crayon/button (answers may vary)
  • Where does the Earth get most of its heat and light energy?
    Sun
  • It is a form of energy that makes some things work. You use this everyday to power appliances.
    Electricity
  • You see things because light will reflect or bounce off things around you. True or false?
    True
  • How does electricity help us?
    It gives power to some objects.
  • What are the two poles of a magnet?
    North Pole and South Pole
  • It is how high or low something is. Fast vibrations make high ________, slow vibrations make sounds with a low ____________.
    Pitch
  • It tells us how far something moves in a certain amount of time. It lets us know how fast or slow something is. What is this?
    Speed
  • This is the form of energy that can be heard. What is this energy?
    Sound Energy
  • Give one form of energy.
    Sound / Light / Electricity / Heat
  • It is something that gives off heat when it burns. What is it?
    Fuel
  • This tells us where something is located. What is this?
    Position
  • It can attract or repel some objects. It has poles. What is it?
    Magnet
  • Why is gravity important?
    Answer may vary.
  • What happens if the magnet's NORTH POLE faces the NORTH POLE of another magnet?
    The magnets will repel each other.
  • When you let go of a ball, it falls. This is because of a force that pulls down on everything on Earth. What is this force?
    Gravity
  • This is the force that slows down things. It happens when two things rub together.
    Friction
  • These move to our eardrum so we can hear the sound of an object. These can be produced when you strum a guitar, or when bells on the alarm clock are hit.
    Vibrations
  • What kind of electricity flows in a circuit?
    Current electricity
  • What do you use to measure your temperature?
    Thermometer.
  • This can either be a push or pull.
    Force
  • This is a form of energy that lets us see. What is this energy?
    Light
  • Give an object that is attracted to a magnet.
    Nails/screws (answers may vary)
  • This is a measure of how hot or cold something is. This can be measured using a thermometer.
    Temperature