Machines Science Worksheet for 14-Year-Old Students

Instructions

Answer the following questions about machines. Write your answers clearly and use complete sentences where required.

Multiple Choice

1. Simple machines were first studied by ancient Greeks.
   Simple machines were first used during the Industrial Revolution.
   Simple machines are only used in factories.
2. A wedge is an example of a simple machine.
   A bicycle is an example of a simple machine.
   A clock is an example of a simple machine.

Short Answer

1. Name three types of simple machines:

2. What is the main purpose of a pulley?

3. Explain the term "mechanical advantage":

Fill in the Blanks

The six types of simple machines are: inclined plane, wheel and axle, lever, pulley, wedge, and __________.

Diagram

1. Fulcrum

2. Effort arm

3. Load

4. __________

Essay Question

Imagine you are an engineer designing a new machine. Describe the machine you would create and explain how it would make people's lives easier.