Heat, Temperature, Wave Motions, Sound and Electricity

PHYSICAL SCIENCE

Topic:
Heat, Temperature, Wave Motions, Sound and Electricity

Textbook: (Mandatory Resource)
Physical Science
ISBN: 978-0-07-351389-8
Chapters 4-6

Reference:
Tillery, B. (2013). Physical Science (10th ed.). New York, NY: McGraw-Hill Education.

Assignment: (400 words)
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.

PLEASE OUTLINE ANSWERS WITH SUBHEADINGS and INCLUDE an INTRODUCTION AND CONCLUSION

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