Physical Science Choice Board

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Across
  1. 3. has two or more paths for current to flow through
  2. 5. the force exerted by magnets when they attract or repel each other
  3. 9. a path a long which the whole current flows through each component
  4. 11. the quantity of heat required to raise the temperature of one gram of a substance by one celsius degree
Down
  1. 1. Decay Random process when a nucleus loses energy by emitting radiation
  2. 2. Time required for half of the original atoms to decay
  3. 4. The Flow of electrical power or charge
  4. 6. process of changing energy from one form to another
  5. 7. energy that comes from a source and travels through space at the speed of light
  6. 8. result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases
  7. 10. measurement of the energy content of food