Science revision

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Across
  1. 2. it is a battery that can be caried around
  2. 7. a form of electricity created by friction
Down
  1. 1. electricity flows through this to light things
  2. 3. a type of electrical current
  3. 4. he invented the light bulb
  4. 5. a very big big big noob/ company owner
  5. 6. a type of electrical current that flows