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Fluids

Fluids. BELLWORK : What does it mean to be fluid?. BELLWORK - Pressure. What is pressure?. BELLWORK - Pressure. What is pressure? Feeling forced to do something A force needed to squash an object Force exerted per unit area of a surface. TN Standards.

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Fluids

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  1. Fluids BELLWORK : What does it mean to be fluid?

  2. BELLWORK - Pressure • What is pressure?

  3. BELLWORK - Pressure • What is pressure? • Feeling forced to do something • A force needed to squash an object • Force exerted per unit area of a surface

  4. TN Standards CLE.3202.1.8 – Investigate relationships among the pressure, temperature, and volume of gases / liquids CLE.3202.Inq.3 – Use appropriate tools and technology to collect precise and accurate data CLE.3202.Inq.6 – Communicate and defend scientific findings

  5. PhET simulation • Heat water to steam ( turn heat up at bottom ) • What happened to pressure in a closed container? • So why does the container ‘splode??

  6. Balloons • While it is running, we’ll use balloons as an example of pressure • How does amount of gas in balloon relate to its size?

  7. Balloons • What direction is the gas inside the balloon pointing to?

  8. Balloons • What direction is the gas inside the balloon pointing to?

  9. Balloons • What can we say about the pressure found in balloons of different sizes? ( start out the same size ) • Small one • Big one

  10. Balloons • What can we say about the pressure found in balloons of different sizes? ( start out the same size ) • Small one • Big one PRESSURE IS LARGER IN THE BIGGER ONE

  11. Challenge • What is a possible mathematical relationship for pressure? • Force and surface area are involved • What are independent and dependent variables?

  12. Pressure • Force exerted per unit area of a surface • Pressure = F / A ( force divided by area )

  13. Buoyant Force • A buoyant force pushes the boat up • All fluids exert an upward buoyant force on matter

  14. Work with Partners • Study Guides • Pg 12 • #2, 3 ( put in N / cm2)

  15. Challenge / Exit Pass • Consider a submarine at the bottom of the ocean. • What is the water doing to the submarine • Why does the submarine not get crushed?

  16. PLC Day / Upcoming in Week • Gonna watch stuff ‘splode ?? • Open-Notes Quiz Thursday/Friday

  17. Exit Pass

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