Grades 6 - 8

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  Before You Know It: Household Technology | Video

  Visit an emerging technology conference to see a remote-controlled oven and a refrigerator that monitors temperature and humidity.

  
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  Dishwasher | Video

  Josephine Cochrane invented the first modern mechanical dishwasher in 1888. By the 1960s, dishwashers were common features in homes.

  
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  Frozen Foods | Video

  Clarence Birdseye popularized frozen foods in the 1950s as a way to preserve perishable vegetables, fish, and meat.

  
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  Blimps and Airships | Video

  Although today's hot-air balloons and blimps are used mainly for entertainment, a new generation of airships may become a transportation alternative to airplanes and cars.

  
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  Series and Parallel Circuits | Interactive

  Illustrates how simple circuits work and describes the types of circuits: series and parallel.

  
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  Weather Patterns | Interactive

  Considers such weather features as air temperature, clouds, fronts, and thunderstorms.