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Inventions: what is it?

  •  English    7     Public
    Name the invention
  •   Study   Slideshow
  • What is it?
    Telephone
  •  15
  • What is it? Lightbulb or Battery?
    Lightbulb
  •  15
  • What is it? Battery or Refrigerator?
    Refrigerator
  •  15
  • What is it? Refrigerator or Microscope?
    Microscope
  •  15
  • What is it? Microscope or Paper?
    Paper
  •  15
  • What is it? paper or thermometer?
    Thermometer
  •  15
  • What is it? Thermometer or the internet?
    Internet
  •  15