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Electricity Review

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  • What two things make up a nucleus?
    Protons and Neutrons
  • What type of circuit is fully connected?
    Closed Circuit
  • A current of electricity travels in a path is called a what?
    A circuit
  • Name 3 examples of an insulator?
    Paper, glass, plastic, rubber, cloth.
  • What charge does a proton have?
    Positive
  • What is an example of an item designed to transform electrical energy into mechanical energy?
    blender, fan, drill, etc.
  • What type of circuit has more than 1 path?
    Parallel circuit
  • An electron has what type of charge in an atom?
    Negative
  • All matter is made up of tiny particles called what?
    Atoms
  • What is an example of a household appliance that uses electrical energy that is transformed into radiant energy?
    lamp
  • Why is wire wrapped in rubber?
    to protect the person holding it so they don't get electrocuted.
  • How can an electromagnet become stronger?
    More coils around the nail or stronger power source/battery.
  • What type of circuit has one path?
    Series Circuit
  • What type of magnet occurs in nature and can be man made?
    Permanent magnet
  • Name an example of a conductor.
    Metals, copper
  • When you shock yourself after sliding down a slide, what is that an example of?
    Static electricity
  • Which is not a conductor: eraser, coin, nail, or wires?
    Eraser
  • What is an object that uses electromagnets?
    Motors, televisions, phones, computers, etc.
  • Which item is a conductor: rubber, sweatshirt, ruler or coin?
    Coin
  • What magnet is temporary and used when a strong magnet is needed?
    Electromagnet
  • What three things make up an atom?
    Protons, electrons and neutrons.
  • What is another example of static electricity?
    Socks on carpet, touching a door knob, balloon on hair, etc.
  • What is an example of static electricity you can do at home?
    Balloon rubbing on your hair, socks rubbing on the carpet, etc.
  • What type of circuit has a break in it?
    Open circuit
  • What is an example of an item designed to transform electrical energy into mechanical energy?
    blender, fan, drill, etc.
  • An example of electricity in nature is what?
    Lightning
  • What type of material blocks electricity?
    Insulator
  • Electrical energy can be transferred into what types of energy?
    Light, sounds, thermal, and mechanical
  • What does repelling mean?
    When two alike poles pull away from each other.
  • What type of material allows electricity to flow through it?
    conductor
  • How can an electromagnet become weaker?
    Less coils or less battery power.
  • Lightning is a discharge of what type of electricity?
    Static
  • What is an example of an item designed to transform electrical energy into mechanical energy?
    blender, fan, drill, etc.
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