1. Pumps, valves, and…pigs?

2. 4.2 Technologies Based on Flow Rates and Moving Fluids
Valves, Pumps, and Pigs!

3. This is a valve. How does it work? What functions does it serve?
Define the term “valve”

4. Brainstorm
common uses of valves

6. Valves Valve  device that controls or regulates the flow of fluids.
Pump  a device that moves a fluid through or into something.

7. Pair and Share
Describe how each pump works. How are they similar, how are they different?

8. The Bicycle Pump
As the piston moves up, air fills the cylinder. As the piston moves down, the air in the cylinder is compressed. Pressure increases. When connected to an area of lower pressure, the air will move into that area.

9. The heart is a complex system of valves and a pump

10. A gas pig is not a farting farm animal

11. A pig is a computerized device placed in a pipeline and pushed through it by the moving gas. It cleans the pipe & its sensors monitor the pipe & record important information about its condition.

12. Assignment
Check and Reflect Pg. 68
# 1 – 3
Due next class