1.2 current electricity

• what is current electricity?

  the flow of electrons through a circuit of conductors
• what is an electrical current?

  a steady flow of charged particles
• what are the 2 conditions needed for an electrical current?

  an energy source & a complete path
• what are conductors?

  materials that allow electrons (e-) to flow
• what is an insulator?

  a material that prevents the flow of electrons (e-)
• what are some examples of conductors?

  steel, copper, salt water, gold, and moist materials
• what are some examples of insulators?

  wood, rubber, air, glass, and plastic
• what is a circuit?

  a continuous path that an electrical current flows through
• what is a series circuit?

  a circuit where electricity can only go in 1 path
• what is a parallel circuit?

  a circuit where electricity can go through multiple paths
• what is a circuit made of?

  conductors, a load, and an energy source
• what is a load?

  a device that draws electricity (ex. light bulb or motor)
• what is an ampere?

  the rate at which an electrical current flows (how many electrons pass per second)
• ampere is also known as?

  an amp
• what are the 2 ways to measure the flow of an electrical current?

  ampere and voltage
• what is electrical energy?

  the energy carried by charged particles
• when talking about electrical energy, which way do the electrons flow?

  from negative (-) to positive (+)
• what is voltage?

  a way to measure how much electrical energy each charged particle carries
• the higher the voltage, the greater the?

  potential energy of each particle
• voltage is also called?

  potential difference
• what is a voltmeter?

  a tool used to measure voltage!

  (the thingy i use to measure something on batteries)