Choice Board

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Across
  1. 3. The conversion of one form of energy into another, or the movement of energy from one place to another
  2. 4. the heat required to raise the temperature of the unit mass of a given substance by a given amount
  3. 5. a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic
  4. 8. a form of energy resulting from the existence of charged particles Magnetism
  5. 10. gamma rays
  6. 11. the time taken for the radioactivity of a specified isotope to fall to half its original value
  7. 12. the emission of energy in the form of ionizing radiation
Down
  1. 1. comprises branches so that the current divides and only part of it flows through any branch
  2. 2. comprises a path along which the whole current flows through each component
  3. 6. ionizing radiation consisting of alpha particles, emitted by some substances undergoing radioactive decay
  4. 7. the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases
  5. 9. a unit of energy equivalent to the heat energy needed to raise the temperature of 1 gram of water by 1 °C