Q: Which substance is a compound?
A: table salt
Q: When the switch in a simple series circuit is closed, what happens to the light bulb that the electricity is flowing to?
A: the light comes on
Q: What is a worldwide increase in temperature called?
A: global warming
Q: John was using his mp3 player when it suddenly stopped working. What is the first thing John should do to try correcting the problem?
A:
recharge the battery