GNS 311 PAST QUESTIONS (ENERGY)

1. After energy conversions, you end up with the same total amount of energy as the original amount of potential energy. Which law explains this rule?

a.

law of energy changes

c.

law of power and energy

b.

law of conservation of energy

d.

law of potential energy

2. You turn on a lamp and the light bulb becomes warm. Which energy conversion causes this heating of the light bulb?

a.

thermal energy to electrical energy

c.

electrical energy to thermal energy

b.

light energy to thermal energy

d.

electrical energy to light energy

3. Which law states that energy cannot be created or destroyed?

a.

law of conservation of power

c.

law of changing energy

b.

law of conservation of energy

d.

law of energy changes

4. Identify the non-renewable energy resource from the following:

(a) Coal                                   (b) Solar energy

(c) Wind energy                      (d) Tidal energy