Learning Lesson: A Pressing Engagement

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Link to Resource: https://www.weather.gov/jetstream/ll_engagement
Resource Type:Classroom Activities; Curricula and Instruction
Grade Level:
7 8 9 10 11 12
Language:English
Organization:National Oceanic and Atmospheric Administration (NOAA); National Weather Service (NWS)
Summary:"We typically do not """"feel"""" atmospheric air pressure. Why? Since air surrounds our bodies, and of all things, the pressure, as a result of the air, is applied equally on all sides. For example, if someone holds an 8.5x11"""" sheet of paper by their hand at arms length, the weight of the air directly above the sheet is over 1,300 pounds. Obviously the paper does not weigh that much. Why? That same pressure(14.7 pounds per square inch) is also pressing up on the bottom side of the paper. The equal pressure on all sides cancel each other out so all that is left is the weight of the material that comprises the paper. Since we do not normally """"feel"""" air pressure, the student will see how the effect of the air pressure on two sheets of paper."
Earth Science Big Ideas:Big Idea 1
NGSS Discplinary Core Ideas:ESS2.D
Subjects: 6-8; 9-12; air; atmosphere; atmospheric science; high school; lesson; meteorology; middle school; noaa; nws; weather
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