Inventions

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Across
  1. 3. It's the machine which heats up water to create energy.
  2. 5. It's a machine which uses fuel to create energy. It is commonly found in cars.
  3. 7. It's a place where we can put food in order to conserve it and cool it.
  4. 9. He is the person who invented the neon lamp and the alternating current.
  5. 10. She is the person who invented the first algorithm for a machine.
Down
  1. 1. It's an invention which allows us to travel throught the air.
  2. 2. He is the person who invented the lightning rod.
  3. 4. It's the object we use to quickly heat up food.
  4. 6. It's an object which is used to call someone and was invented by Alexander Graham Bell.
  5. 8. It's a red of computers and satellites which allows us to browse webs.