Image "Fresh Spring Leaves" courtesy of jannoon028/ FreeDigitalPhotos.net
How are you? Here is your first assignment (Assignment 1).
1. Watch this video about how to make your own solar water heater:
Video courtesy of YouTube Voice of America Special English Technology Report/http://voaspecialenglish.com
*Watch this video as many times as you want or need, then answer these questions:
a. Where was this design developed?
b. How many liters of water can it hold, and what temperature can it be heated to?
c. Between what times of day can it be heated, and what average air temperature is best?
There are two parts to the water heater. Describe both parts.
e. Why is one part of the water heater painted black?
What kind of metal is recommended for this part of the water heater, and why?
f. Once the water is heated, what is used to keep the water hot?
h. Around how many liters can the second part of the water heater hold?
i. Describe how the water heater works correctly.
j. About how long will the water heater last?
I will check on these answers next class! Please be ready to answer them.
2. Based on what you heard in the video, can you make a design of the water heater? You can do this design any way you like - on computer, or even drawing by hand on paper.
3. In class, can you describe, in your own words, how your design works?
Good luck! This assignment will be due next class. See you then!
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