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Force and Work are discussed in this portion of the unit

Subjects:

Math, Science, Social Studies  

Grades:

3, 4  

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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