Valentine day science vocabulary

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Across
  1. 4. materials that tend to allow charges to move through them easily
  2. 6. any piece of material that produces a measurable magnetic field in the space around it
  3. 7. caused by differences in electric charges
  4. 11. movement of charge from one terminal to another; measured in amperes (A)
  5. 12. materials with high electrical resistance
Down
  1. 1. caused by metals present in the Earth's core; as the Earth rotates, their motion creates a field around the planet from magnetic North to magnetic South
  2. 2. amount of energy transformed from electric currents by component
  3. 3. a measure of the difference in energy across a current or component
  4. 5. materials that are good at "holding onto" electric charges
  5. 8. want to cancel out their electric charges; only matter that carries an electric charge is affected by electric fields
  6. 9. harnessed energy that is transformed from electrical to chemical energy; also called a cell
  7. 10. groups of atoms that exert a force in a same direction