1) ______________ are the smallest unit of matter.  a) Molecules b) Cells c) Atoms 2) Electrons have a positive charge. a) False b) True 3) Direct current  a) flows back and forth. b) flows in multiple directions. c) flows in one direction. 4) Alternating current a) flows in one direction. b) flows back and forth.  c) flows in multiple directions. 5) The flowing movement of electricity from one place to another is an electrical current.  a) False  b) True 6) Static electricity is a) human harnessed.  b) naturally occurring. 7) Examples of static electricity are a) lightning  b) rubbing a balloon on your head.  c) jumping on a trampoline with socks on. d) all the above. 

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