Title – Simple Machines Unit Lesson 9

By – Debbie Haren

Subject – Math, Science, Social Studies

Grade Level – 3/4

Simple Machines Unit Lesson 9:

Questions:

Work is done when force moves an object. Name some things that you do everyday that takes force and is work?

Observations:

Objects                Force Used                Distance Moved      Is it Work?

                            push it with

Cotton Ball           air.                             in centimeters          Yes      No

                            Push it with

Pencil                   your hand                   in centimeters          Yes      No

                            push it with

Cardboard Box    your head on floor      cm.                         Yes     No

F—- X D——- = Work

Force X Distance = Work

Conclusion:

Was work done in each try?

What is work?

Look up the definition of Work tonight for homework tonight. Write it down in your Simple Machines Journal and share it with the class tomorrow.

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Debbie Haren

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