Air pressure Science

Air pressure Science
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  • Hi class! Today we will be learning about air pressure! I have put together a little experiment to demonstrate how high pressure and low pressure creates force! 
  • 1- assemble the figure 2-put figure in vacuum 3-lower air pressure 4-turn on vacuum 5- leave in vacuum for 1 min  6- Turn off vacuum 7- higher air pressure 
  • TODAY!! Experiment March mellow man!
  • VACUUM 
  • 1- assemble the figure 2-put figure in vacuum 3-lower air pressure 4-turn on vacuum 5- leave in vacuum for 1 min  6- Turn off vacuum 7- higher air pressure 
  • So as you can see I have already made my marsh mellow man, and now I have placed him in the vacuum and now i will turn it on and lets observe what happens!
  • TODAY!! Experiment March mellow man!
  • 1- assemble the figure 2-put figure in vacuum 3-lower air pressure 4-turn on vacuum 5- leave in vacuum for 1 min  6- Turn off vacuum 7- higher air pressure 
  • VACUUM
  • So as you can see, the marsh mellow man is expanding and getting bigger, this is happening because of air pressure, there is lower air  pressure in the vacuum chamber giving the marsh mellows more room to expand! 
  • TODAY!! Experiment March mellow man!
  • VACUUM
  • 1- assemble the figure 2-put figure in vacuum 3-lower air pressure 4-turn on vacuum 5- leave in vacuum for 1 min  6- Turn off vacuum 7- higher air pressure 
  • Now I have made the air pressure in the chamber higher. This means there is more molecules of air. So as you can see the man is starting to contract and shrivel up. This is because the air is now more dense. It has less volume to expand and the high pressure is pushing against the man. 
  • TODAY!! Experiment March mellow man!
  • 1- assemble the figure 2-put figure in vacuum 3-lower air pressure 4-turn on vacuum 5- leave in vacuum for 1 min  6- Turn off vacuum 7- higher air pressure 
  • Now, this is a perfect representation of how air pressure works in our atmosphere! Air pressure pushing against air pressure is what causes wind. 
  • TODAY!! Experiment March mellow man!
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