**Class Work**:

Reviewed Pressure Calculations. A

**quiz**will be given on

**Pressure Calculations**on

**Wednesday, October 29th**. Be sure and understand how to convert from mass (measured in kg) to force (measured in N). Remember the units for pressure are (Pa), when force is in kg and area is in m 2 .

Discussed

- Hydraulic systems (fluid transportation, hydraulic multiplication - lifting a car, problems with hydraulic systems)

- Pneumatic systems (definition, problems with pneumatic systems)

Movie

- watched Bill Nye movie: worksheet is due on Monday, October 27th

**Homework:**

Complete workbook, pages 134 to 139 (Due Wednesday, October 29th)

Workbooks will be marked in place of having a chapter test (work must be completed independently)

Bill Nye movie worksheet is due on Monday, October 27th

Study for pressure calculation quiz