compound+machines



**What is a compound machine? ** A compound machine consists of two or more simple machines put together. In fact, most machines are compound machines. Compound machines can do more difficult jobs than simple machines alone. Their mechanical advantage is far greater, too. Some examples are a pair of scissors and a bicycle.

information from http://library.thinkquest.org/CR0210120/Compound%20machine.html

**Give an example of a compound machine. ** A bike is a compound machine

**Describe the different simple machines you would find in this compound machine. ** Wheels of a bike are wheel and axe. The pedal is a pulley.