Mini-Quiz: Detection of Static Electricity

1. Why is finely ground pepper used to detect static electricity?

   Finely ground pepper is hot and causes static electricity sparksSorry, not correct. Try another button. Pepper has a strong negative (−) chargeGood try, but not right. Select another answer. Finely ground pepper is very lightweight and is easily attracted to an electrical objectThat is correct. You are a static electric Champion.

2. When do the leaves of an electroscope move apart?

   When they become charged with static electricityCorrect. You sure are smart. When they get opposite chargesOops! Wrong answer. Re-read the question and try again. They are always spread apart unless chargedSorry, not correct. Try another button.

3. Why would a company buy an expensive electrostatic locator?

   When the static electricity is Alternating Current (AC)Good try, but not right. Select another answer. When the less expensive methods aren't sufficientThat is correct. You are a static electric Champion. As part of an effort to reduce air pollutionOops! Wrong answer. Re-read the question and try again.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.