Physics

Edit Answers
123456789101112
Across
  1. 4. neutrons add this to an atom (4)
  2. 7. when something changes from a gas to a liquid (12)
  3. 11. the opposite of melting is ?? (8)
  4. 12. heat is transferred by conduction, radiation and ?? (10)
Down
  1. 1. to find the speed of a wave the formula is velocity= wavelength x ??? (9)
  2. 2. this is measured in ohms (10)
  3. 3. the types of radioactive decay are alpha, beta and ???(5)
  4. 5. there are two types of waves:electromagnetic and ?? (10)
  5. 6. the energy of motion (7)
  6. 8. when something changes from sold to gas (11)
  7. 9. when the direction is downwards the velocity is this (8)
  8. 10. the state of matter when there are weak forces of attraction between atoms (6)