Electricity

M. Elizabeth K.
12 words 22 learners

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Full list of words from this list:

words only definitions & notes
  1. negative charge
    the state of having a surplus of electrons
    Electrons contain a negative charge, protons a positive charge.
  2. electricity
    a physical phenomenon that can produce light, heat and power
    Chapter 2: What Is Electricity?
  3. positive charge
    the state of having a deficiency of electrons
    Electrons contain a negative charge, protons a positive charge.
  4. static electricity
    electricity produced by friction
    But the Greeks had discovered one of the first examples of static electricity (see Chapter 3).
  5. insulator
    a material with little electrical or thermal conductivity
    These things are called insulators.
  6. static
    not in physical motion
    But the Greeks had discovered one of the first examples of static electricity (see Chapter 3).
  7. electronic
    relating to or operating by a controlled current
    Electricity lights up our homes, cooks our food, powers our computers, television sets, and other electronic devices.
  8. electric
    using or providing the flow of charge through a conductor
    Electric Universe (http://csu.electricuniverse.com/html/index.html)
  9. friction
    the resistance when a body is moved in contact with another
    The Latin word, electricus, means to "produce from amber by friction."
  10. scientist
    a person with advanced knowledge of empirical fields
    Scientists and engineers have learned many ways to move electrons off of atoms.
  11. electrical
    relating to or concerned with electricity
    The electrons are passed from atom to atom, creating an electrical current from one end to other, just like in the picture.
  12. oxygen
    a colorless, odorless gas that is essential for respiration
    Some elements like oxygen we breathe are essential to life.
Created on Fri Nov 12 14:54:54 EST 2010 (updated Fri Nov 12 15:00:13 EST 2010)

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