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This Student Activity Page has been formatted using the font GARAMOND. Suvir Mirchandani, a14 yr. old middle

school student, discovered GARAMOND uses far less ink than. The more popular fonts. Use of this font saves

money and reduces waste.

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$Solar energy is energy derived from the sun. One type of solar energy is called passive solar.

Passive Solar Energy systems use the heat from the sunlight to heat an object that can

capture, store, and transport the heat. Most often these objects are containers of water or

small pipes of water. For instance, some people will put dark barrels of water in the south

facing windows of their house. On a sunny day, the barrels heat up. In turn, the barrels can

warm the room through the night. Another example of using passive solar energy is when

some Alaskan Native elders throw the dark ash from the woodstove over the snow in the

garden in the spring. The wood ash easily absorbs sunlight and causes the snow to rapidly

melt beneath, and gardens be started earlier in the season.

Another kind of solar energy, photovoltaics (PV’s) is a system of generating electrical power by

converting solar radiation into direct current electricity. Silicon cells placed together in large

flat panels generate electricity when exposed to sunlight. This type of solar panel system

already supplies some villages with electricity directly from sunlight. While winters in Alaska

lack sunlight, there is often an abundance of sun in the summer. The challenges to using

solar panels in Alaska include how to store solar during the months that have less solar

potential. The energy is usually stored in large low voltage batteries. One way to optimize

Alaskan use of solar energy may involve using the summertime abundance of sun to fuel

electric vehicles like ATVs or boat motors, or remote cabins and homes. Centralized

charging stations using solar panels, and/or storage stations may be able to benefit the whole

community. They would provide power from the sun sustainably, cleanly, and would be less

expensive than diesel fuel.

Worldwide, solar technologies are advancing rapidly from producing thinner panels (even

photovoltaic paint) to building huge power plants that focus the sun's rays to amplify the

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energy. As more electricity becomes needed for computers and other electronics year around

in villages, the power of the sun may become more important and useful even in Alaska!

NOTES:

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"#$%&'()*'%!*#+!,%-./'!Directions: Now that you have read about two kinds of solar energy systems, you will use the internet to research solar energy systems that are operating in Alaska. Use additional paper as needed. Make sure to organize this assignment in your 3-ring binder. Note to student: System Type (below) refers to photovoltaic or passive. 1. Find a remote or rural location in Alaska that uses a solar energy system:

a. Name of Solar Energy Project_____________________________________________

b. Location______________________________________________________________

c. Project Funded by:_______________________________________________________

d. System Type___________________________________________________________

e. Amount of Electricity Produced____________________________________________

f. Required Maintenance____________________________________________________

g. Interesting facts ________________________________________________________

________________________________________________________________________

h. Benefits of System_______________________________________________________

_______________________________________________________________________

i. Challenges Encountered___________________________________________________

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2. Find a home energy system at use in Alaska and report on the same points (a-i) as

above. Write your summary on a separate piece of paper.

3. Find an urban location in Alaska that uses a solar energy system and report on the same

points (a-h) as above. Write your summary on a separate piece of paper.

4. Find solar energy businesses and funding possibilities in Alaska and make a list of

them to use for future reference.

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"#$%&$#'(!$Discussion for Students and Teachers: In order to figure out whether enough sun reaches your area to covert to solar energy at different times of year, you can research available charts or measure it yourselves over time. "Insolation" (incoming solar radiation levels) represents daily average solar energy. This is usually expressed in kilowatt-hours per square meter per day (kW-hr/m2/day), or as an amount of equivalent hours of "standard sun". NASA maintains an extensive database on insolation for most locations in the world. In today's non-concentrated Photovoltaic (PV) systems for homes, less than 21% of the sun’s light can be converted to electricity feasibly. This is because of the limited efficiency of any PV power system at this time. Further Inquiry: With a partner, choose one of the projects below:

1. Research and report on “Insolation Maps or Charts” for your local area. You can start by looking at the following websites:

http://earthobservatory.nasa.gov/IOTD/view.php?id=1355 http://www.nrel.gov/gis/solar.html Then, answer the following questions using extra paper as needed: Is solar energy a plausible renewable energy resource in your local area? Support your opinions: ________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

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What are the possible challenges and the benefits of installing solar panels in your community? ________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

What would be the best ways to use solar energy in your community? Be thoughtful and imaginative in your responses (For example, could you use solar panels to generate electricity in the summer for electric ATV’s that you would design!) ________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

2. Locate a location that you think is suitable for future solar panels. Make

drawings/take photographs and record observations of the areas for potential that shows the shadows from trees, mountains or buildings that might interfere with direct sunlight at certain times of day. Then, calculate the loss of sunlight time from the shadows. Find another suitable location and compare the findings.

Broaden your Inquiry:

Calculate the distances from the proposed panels to the grid or home in order to minimize wiring and transfer of energy loss. _________________________________________________________________

_________________________________________________________________

_________________________________________________________________

_________________________________________________________________

Estimate the initial investment of setting up solar panels. Compare this to the cost of using diesel generators. Evaluate the time to pay off the initial investment.$????????????????????????????????????????????????????????????????????????????????????????

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2+!(3#!-(45#'(6!$So far, in your 3-ring binders, you have read about solar energy, researched insolation charts, listed words and images, and made some calculations. Look over your Activity pages, particularly Activity 3.3. In this activity, you will represent your new knowledge by choosing to:

• Write a poem • Write a short story or skit • Write a song or rap • Take a series of photographs and make a book • Make a model or diorama • Make a drawing, painting, or ____________________________

In the following space provided, write a proposal and make a list of supplies needed to complete your representation. Once your teacher signs off on your proposal, you are ready to gather supplies and begin. My proposal: ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Supplies I need: ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Teacher’s Signature??????????????????????????????????????????????????????Date???????????????$

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"#$%!&'($)(*+,-.!&'($)(*+,-!/0,1!(!2##0.!3,)0!&'($)(*+,-!,%!*4#!5$(66! Please rate your contribution to the class and evaluate the class on a scale from 1 – 10 with 10 being the highest.

!7897:79;<=!"&=/!&:<=;<>7?8?$@A4,$B(C#DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD$ ____1. Following teacher’s instructions ____2. Asking meaningful questions ____3. Contributing ideas and information ____4. Helping the class stay on task ____5. Contributing materials ____6. Asking for help when needed ____7. Sharing responsibilities ____8. Respecting others ____9. Explaining things to others ____10. Doing things on time ____11. Doing my best

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I rank my contributions to the class as__________because__________________________

________________________________________________________________________

To improve, my objective is: ______________________________________________

________________________________________________________________________

2&&@!&:<=;<>7?8?$$B(C#$AE$2345#&3$+8(*4(30&-$@A4?DDDDDDDDDDDDDDDDDDDDDDDDDDDDD$Ask one of your classmates to evaluate you. ____1. Following teacher’s instructions ____6. Respecting others ____2. Asking meaningful questions ____7. Explaining things to others ____3. Contributing ideas and information ____8. Solving problems within the class ____4. Staying on task and meeting deadlines ____9. Consistent effort ____5. Sharing responsibilities ____10. Producing a quality product

3?;@!&:<=;<>7?8!?/!>A&!BA?=&!5=<""C!Rank each individual class member using a scale of 1 – 10. Explain your reasons for the assigned ranking.

Ranking Class Member

______ ______________________________________________________

______ ______________________________________________________

______ ______________________________________________________

______ ______________________________________________________

______ ______________________________________________________

______ ______________________________________________________ Objective for the class:______________________________________________________ Teacher’s Comments:

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1. What are some ideas that would showcase Solar Energy at The Renewable Energy Fair? Talk with a partner or the whole class and write your ideas below:

________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

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2. If you choose to make a Solar Energy project for the festival, start keeping notes

below.

________________________________________________________________________

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3. Solar LP -...

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