Memory Anchor:

• Super Challenge:

  Stretch:

  Challenge:

Key Questions:

1. What sorts of processes involve energy transfers? Give 3 examples.
   • Processes that involve Energy transfer: - changing motion, - dropping an object, - completing an electrical circuit, - stretching a spring, - metabolism of food, - burning fuels
2. What is meant by a more efficient device?
   • Some Energy is useful and some is not useful, more efficient devices have more useful Energy