Halloween Science

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Across
  1. 3. The standard unit of resistance, named after a famous physicist, that might describe how much a werewolf opposes a silver bullet.
  2. 6. Even in dark, haunted woods, a compass needle always points north because it aligns with Earths magnetic what.
  3. 11. A vampire steps into a circuit, blocking the energy. The measure of how much a component opposes the flow of electrical current is called this.
  4. 13. The alternative wiring layout ensuring independent branch function in a mad scientists lab so that if one light goes out, the others stay on.
  5. 14. A witch uses a magnet to separate items in her cauldron. Materials like iron, nickel, and cobalt that are strongly attracted to magnets are called this.
Down
  1. 1. A glowing electronic component in a mad scientists panel that acts like a one-way valve, allowing current to flow in only one direction.
  2. 2. Lighting up a haunted house requires moving electric charge. The rate of flow of this electric charge is measured in Amperes.
  3. 4. When Dr Frankenstein powers up his lab, this component acts as a safety feature, melting and breaking the circuit if the electric current gets too high.
  4. 5. The electrical push or potential difference needed to pump current through Dr Frankensteins machinery is measured in this unit.
  5. 7. Thick mummy wrappings act as an excellent what because they completely block the flow of electric charge.
  6. 8. If two identical North magnetic poles face each other in a haunted house, they will forcefully push away, or do this.
  7. 9. A broken circuit plunges the entire haunted house into darkness because all components were wired in a single loop, meaning they were in this type of circuit.
  8. 10. To create a powerful electromagnet to trap a monster, a scientist twists a wire into a tight, cylindrical coil called this.
  9. 12. A ghost floats through a graveyard. If you want to increase the strength of an electromagnet, you can wrap the wire around a core made of this magnetic metal.
  10. 15. Spooky static electricity can make a witchs hair stand on end. This happens because of the transfer of these negatively charged subatomic particles.