Page 56 - Science Course 2 (Book 2)

Mo9-L2: Vocabulary Review

Direction: Complete each section of the chart with a drawing and a def nition of the simple machine.
Then answer the questions that follow.

Lever Screw

1. Drawing 7. Drawing

2. Def nition: 8. Def nition:

Inclined Plane Wedge

3. Drawing 9. Drawing

4. Def nition: 10. Def nition:

Pulley Wheel and Axle

5. Drawing 11. Drawing

6. Def nition: 12. Def nition:

Mo9-L2: Key Concept Organizer

Direction: On the line before each statement, write T if the statement is true or F if the statement is false.
If the statement is false, change the underlined word(s) to make it true. Write your changes on
the lines provided.

1. Bicycles are made up of many different simple machines.

2. Three or more simple machines working together are a complex machine.

3. The work you do on a machine is called the output work.

4. The work the machine does on an object is the input work.

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