Monday, February 11, 2008

Efficiency

How does efficiency related to machines?

Friday, February 8, 2008

Machines

What is a machine and how does it make your life easier?

Thursday, February 7, 2008

Two Different Types of Power

Did you know that there are two different equations for power? Explain the difference between them.

Wednesday, February 6, 2008

Power?

What is power and how it used with energy?

Tuesday, February 5, 2008

Work

What is work and how do you use it everyday?

Monday, February 4, 2008

The Impossible Dream

People in the early 1800's had been trying to create a perpetual-motion machine for hundreds of years, but what is a perpetual-motion machine and what was the most famous fraud of the 1800's?

Friday, February 1, 2008

You and Conversation of Energy

Give one example of how your body follows the law of conservation of energy.