Science II: Chapter 8 Review

We looked at 5 different types of simple machines. The list below names 4/5 simple machines we've seen. Name the missing simple machine

1. Inclined plane,

2. wedge

3. wheel and axel

4. pulley

5.

A lever has three major parts. The following list names 2/3 parts. Name the missing part

1. effort / force

2. load/resistance

3.

Which of the following options correctly described the "effort" of a lever?

• the force exerted on a lever

• the pivot point of the lever

• the weight of the load

Which of the following options correctly described the "resistance/load" of a lever?

• the force exerted on the lever

• the pivot point of the lever

• the weight of the load

Which of the following options correctly described the "fulcrum" of a lever?

• the force exerted on the lever

• the pivot point of the lever

• the weight of the load

Which of the following options include examples of levers?

• scissors, seesaw, and pliers (1st class)

• wheelbarrow, stapler, bottle opener (2nd class)

• broom, ladder, hockey stick (3rd class)

• broom, hammer, tweezers, tongs (3rd class)