By Sasha Kuvshinova 9 th grade. The history of storing food First refrigerators Poll results Why it is a useful invention

Embed Size (px)

Citation preview

By Sasha Kuvshinova 9 th grade The history of storing food First refrigerators Poll results Why it is a useful invention A cel lar An iceh ouse An icebo x If you could choose only one of these electric devices to be installed at your home, what would I be? Mark one device that you think made the housekeeping easier most efficiently. 1. What was the name of the building where the harvested ice was kept? 2. What year was the first home refrigerator made? 3. Why did people stop using ammonia in the fridges? The History of the Refrigerator and Freezers Refrigerator The History of the Refrigerator: Staying Cool Throughout the Ages Refrigerator: Milestones