Energy Puzzle Activity

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Across
  1. 4. transfer of energy through matter by colliding particles
  2. 7. energy - energy in the form of motion
  3. 8. of conservation of energy -energy can never be created nor destroyed
  4. 9. energy-energy from the sun that is free, renewable and can be used to heat homes and buildings
  5. 10. a measure of the average kinetic energy of all particles in an object
  6. 11. pot. energy- energy stored by things attracted to each other by the force of gravity
  7. 12. pot. energy- energy stored in chemical bonds
  8. 15. energy that flows from a warmer material to cooler materials
  9. 17. transfer of energy in the form of electromagnetic waves
Down
  1. 1. heat-amount of energy needed to raise the temperature of 1kg of a material 1k
  2. 2. - SI unit for energy
  3. 3. that doesn't allow elections to move through it easily
  4. 5. energy- sum of potential and kinetic energy in a system
  5. 6. transfer of energy by the motion of heated particles in a fluid
  6. 13. mover-device that moves thermal energy from one place and transfer to another
  7. 14. energy - stored energy due to position
  8. 16. pot. energy- energy stored by things that stretch