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Air Pressure Lab

Air Pressure Lab. Explanations…. Wind Sock…. Flowing air decreases air pressure. Air flows into area of low pressure to “fill in” space. Blowing up like balloon was harder because you did not have help from air pressure!. Baggie of Air. Increased V = Decreased P Decreased V = Increased P.

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Air Pressure Lab

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  1. Air Pressure Lab Explanations…

  2. Wind Sock… • Flowing air decreases air pressure. • Air flows into area of low pressure to “fill in” space. • Blowing up like balloon was harder because you did not have help from air pressure!

  3. Baggie of Air • Increased V = Decreased P • Decreased V = Increased P

  4. Stack of Pennies • As pressure increases… • So does density. • Mass. • Pennies on bottom of stack have greater pressure than top.

  5. The Wind Between the Cans… • As air was forced in between the cans… • A low pressure area was created. • What filled the area?

  6. Leaky Bottle • When cap is off… When cap is on… Air pressure is pushing water out of bottle.

  7. Upside Down Cup • When cup was flipped over, index card stayed pressed to cup. • As you inverted the cup. Water drips out of the cup. More air pressure outside than inside!

  8. Hot Crushed Can • As can and water were heated. • Water went from liquid form into water vapor or a gaseous form replacing air in can. Air Water Vapor

  9. The Crush • When can is flipped over and placed in cool water the water vapor is cooled back to liquid phase. • A gap is created of very low air pressure. • Outside air pressure is much higher. Crushes can.

  10. Questions?

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