physics

123456789101112
Across
  1. 1. a measure of the amount of stuff in an object, unit is kg
  2. 5. when a wave bounces off a surface such as light bouncing off a mirror
  3. 8. a type of energy that means stored energy
  4. 10. a measure of how hot or cold something is
  5. 12. the unit of energy
Down
  1. 2. how fast an object travels
  2. 3. a prefix meaning 1000. e.g 1000g in a ____gram
  3. 4. the force of gravity
  4. 6. a powerful source of light & heat powered by nuclear fusion. The Sun is an example
  5. 7. this planet has a gravitational field strength of 9.8 N/kg
  6. 9. the unit of force
  7. 11. the standard unit for speed