DAY 5: Lever Review

Jan. 21

Objectives

REVIEW objectives to date:

• What is work?

• Draw and label a lever system

• Discuss the relationship between work and lever function

• Calculate work (using units correctly)

• Determine missing measurement in a lever system if given other three measurements

• Describe necessary qualitative changes to balance an unbalanced lever system

• Define torque

• Compare torque and work

• Calculate torque (using units correctly)

• Identify torque and work correctly in a given scenario or picture


Bell Ringer

1) Explain the difference between torque & work?


Lesson

1) Review "Lever Sense" assignment distributed in the last period.

2) Review "Levers: Torque" with students in class (they can fill it out as we do it)

3) Distribute "Levers: Torque Practice" in class and provide time for students to complete worksheet with teacher assistance in balance of period.

4) Quiz next class on above objectives (lever objectives to date.)

* note: Mr. Reimer needs to teach E block students to discriminate between mass and force.


Assignment

1) Complete "Levers: Torque Practice

2) Quiz next day


Copyright 2011 Jay Reimer    (You can email me at jay.reimer@gmail.com