W D = when energy is transferred Put R next to the renewable energy saver and NR next to the non-renewable ones

1. Wind

2. Burning fossils fuels

3. Wave/tidal

4. Geothermal

5. Solar

6. Nuclear

A light bulb is supplied with 100J electrical energy and converts 45J to light energy

A) How much energy is wasted

B) in what energy form is it wasted

C) calculate its efficacy

-why is this bad for the environment?

Miss caton goes skiing when she is at the top of the ski slope , she has energy as she races down the slope this is transferred into energy.

Energy can neither be created nor destroyed. It can only be transferred this is the law of