1.If you are about to be struck by lightning, your hair might stand on end.

a. true
b. false

2.Not every lightning strike produces thunder.

a. true
b. false

3.Lightning can sometimes occur on hot and humid summer evenings when there are no thunderstorms.

a. true
b. false

4. For a negative polarity lightning strike, in which direction does the stepped leader travel (upward or downward)

a. true
b. false