Reference no: EM131711720

Assignment

1. Quickly skim the questions or assignment below and the assignment to help you focus.

2. Read the required chapter(s) of the textbook. Some answers may require you to do additional research on the Internet or in other reference sources. Choose your sources carefully.

3. Consider the discussion and the any insights you gained from it.

4. Produce the Assignment submission in a single Microsoft Word or Open Office document. Be sure to cite your sources, use APA style as required, check your spelling.

Task:

Define, compare, and contrast the concepts of temperature and heat.

A true vacuum bottle has a double-walled, silvered bottle with the air removed from the space between the walls. Describe how this design keeps food hot or cold by dealing with conduction, convention, and radiation.

Analyze the apparent contradiction in the statement that "solar energy is free" with the fact that solar cells are too expensive to use as a significant energy source. Where do you stand on this issue?

Explain how the model of electricity as electrons moving along a wire is an oversimplification that misrepresents the complex nature of an electric current.