CH05 – Respect!

Dates

• P1 – Thursday, January 19th
• P3 – Thursday, January 19th
• P5 – Friday, January 20th

Sig Fig Math

• Review Homework
• Questions? Examples?

Units

• measurements have quantity and units
• measurements incomplete without units
• we treat units with respect

Example

• J = Pa m³
• Pa = N/m²
• N = kg(m/s²)
• using this information express J using only kg, m, s

Dimensional Analysis

• conversions = goal is cancelling units
• ex: m –> km
• more complex examples
• density is an example of unit conversion

Demonstration

• Next class we will be conducting the demonstrations
• Please be ready to conduct and explain your project
• More Information HERE [LINK]

Homework

• Ch. 1 (39, 44)
• Prepare for Demo