Quickie Quiz 5

If a cumulonimbus cloud has no supercooled water, can thunder occur?
Is the bottom of a lightning producing cumulonimbus cloud usually positively or negatively charged?
What is the word for lightning in your language (include the name of your language)?
If you feel your hair prickle and stand up during a lightning storm, what should you do?
Why don't tropical rain storms produce a lot of lightning and thunder?
Extra credit: What is the word for "rolling thunder" in your language (not thunder, but the travelling thunder we talked about in class)?