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Discover the Power of Pressure: Fun Experiments for Learning

Engage students in hands-on experiments about air and water pressure, adapted from Edmonton Public curriculum, encouraging curiosity and scientific inquiry. Explore concepts through activities like "Make it Rain" and "Draw Straws." Interactive and educational worksheets included.

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Discover the Power of Pressure: Fun Experiments for Learning

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  1. Can you feel the PRESSURE? Miss Laverty 2012 *Lesson, experiments and worksheets adapted from the Edmonton Public curriculum book*

  2. Can you feel the PRESSURE? • If you have a FOIP form, place it in the bin • If you are the first person here, please hand out the workbooks • Grab today’shandout from the BLUE handout box on the front desk • If you are missing a work sheet please grab it from the side shelf by the treasure chest • Sit down and show me that you are ready to MAKE IT RAIN!

  3. Make it Rain

  4. Make it Rain • Question: can air move water?

  5. Make it Rain • Materials: • Flask • Stopper with 2 holes • One short straw that doesn’t reach the water • One long straw that reaches the water

  6. Make it Rain • Procedure: • Fill flask about half full with water • Make sure the bottom of the long straw is submerged in the water • Make sure the short straw is above the surface of the water • Blow into the short straw • Observe and record results

  7. Make it Rain • Diagram

  8. Make it Rain • Results: • Water sprayed out of the long straw when we blew on the short one

  9. Make it Rain • Inferences: • When we blow into the short straw, we increase the air pressure. • The increased air pressure forces the water out through the long straw

  10. Draw Straws • Form a group of 4 or 5 • When your group is complete, send one person to get a cup for each group member • When you have your cup, show me you are ready for water and straws

  11. Draw Straws Explained • Question: Can air move water?

  12. Draw Straws Explained • Materials • Drinking cup • One straw with a pin hole • One straw that has not been altered

  13. Draw Straws Explained • Procedure: • Put a hole in one straw with a pin • Make sure the pin hole is above the surface of the water • Try to suck up the water • Try again with a regular straw • Observe and record results

  14. Draw Straws Explained • Results: • The straw with a hole poked in it did not work

  15. Draw Straws Explained • Inferences: • Straws work when you decrease the air pressure in your mouth • When the air pressure in your mouth is less than the pressure of the room it forces the water up the straw

  16. Real Life Example… • Vacuum • What else?

  17. Wrap-up • Does air have Pressure? How do we know? • Yes

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