force and motion

Simple machines 2/23

Multiple Choice

What are the six machines (lever, inclined plane, screw, wedge, pulley, and wheel and axle) known as?

• complex machines

• simple machines

• interesting machines

• helpful machines

Multiple Choice

The raising of the flags on a flag pole utilizes what simple machine?

• wedge

• screw

• lever

• pulley

Multiple Choice

Which two simple machines combine to make scissors work?

• Screw and pulley

• wedge and lever

• Wheel and axle and wedge

• Lever and inclined plane

Multiple Choice

What is the first step in the experiment?

• Record the data

• gather all material

• bend the straws

• place a big book in the middle of the table

Multiple Choice

What should you do before placing the straws on the table.

• bend all the straws

• move the book without using the straw

• bend only the straws on the outside

• weigh the book

Multiple Choice

Which of the following statements is true?

• Bendable straws would have worked better

• the book moved easier without the straws

• the straws made moving the book easier

• this is an example of a pulley