Describe How to Build A Spectrometer Essay Assignment Solution 1

Describe How to Build A Spectrometer Essay Assignment

Order ID	53563633773
Type	Essay
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Describe How to Build A Spectrometer Essay Assignment

Week 7 and the weather channel

 

For your initial post, go to the Weather Channel’s webpage (http://www.weather.com/) and record

tomorrow’s, or the next day’s, forecast for where you live; Temperature, precipitation, wind and cloud cover

should be adequate, but you can add more if you wish.  Include any reasons why you think that some of

those aspects might not be accurate. On the day predicted, record the same data.  Post the actual weather

in the discussion board, including the original prediction. How accurate was the forecast?  If it wasn’t

accurate, what do you think caused the weather to vary from the prediction?

 

200 – 300 words with APA formatting for the citations.

 

Why is it important for scientists to study the whole solar system? Choose a planned space mission or a

space mission from the past 10 years and describe its purpose. What do you think we have learned or will

potentially learn from this mission? Give an example of an Earth process or feature that we find elsewhere

in the solar system.

 

 

200 – 300 words. APA formatting on Citations and References.

 

Spectrometer

 

Please follow the instructions to construct a refractometer and answer the corresponding questions.

 

The instructions below describe how to build a spectrometer. Here is a link if you wish to view the site

where the instrcutions are from. Spectroscope

 

How to make a spectroscope

 

What you will need:

 

A CD or DVD that can be sacrificed to this project. We won’t damage it, but getting it back will involve

destroying our spectroscope. Old software CDROMs work great, and some can be had for free from

internet service providers like AOL.

 

A cardboard box. An 8 inch cube works fine, but any size that can hold a CD or DVD disk will do.

 

Two single edged razor blades. These can be found in paint or hardware stores.

 

A small cardboard tube, the kind used as a core to wrap paper on.

 

Some cellophane tape.

 

Some aluminum tape (found in hardware stores), or some aluminum foil and glue.

 

Our spectroscope has three main parts. There is a slit made from two razor blades, a diffraction grating

made from a CD disk, and a viewing port, made from a paper tube.

 

To make sure that all three parts are lined up properly, we will use the CD disk as a measuring device, and

mark the spots where the slit and the viewing port will go.

 

Set the CD disk on top of the box, about a half inch from the left edge, and close to the box’s bottom, as

shown in the photo. Use a pen to trace the circle inside the CD disk onto the box. This mark shows us

where the paper tube will go.

 

Now place the paper tube on the box, centered over the circle we just drew. Draw another circle on the box

by tracing the outline of the paper tube.

 

Move the paper tube over a little bit. A half-inch is probably fine — in the photo I placed it much farther to

the right than necessary, but the aluminum tape covered up the mistake nicely. Trace another circle around

the paper tube. These circles will tell us where to cut the box.

 

Now cut an oval out of the box with a sharp knife. The oval will allow the paper tube to enter the box at an

angle.

 

The next step is to make the slit. Turn the box one quarter turn so the oval we just cut is to the right. Using

the CD disk again, draw another small circle close to the left side of the box.

 

The slit will be on the far left of the box. Cut a small rectangle out of the box at the height marked by the

small circle we made with the CD disk. The rectangle should be about a half inch wide, and two inches

high.

 

Carefully unwrap the two razor blades, and set them over the rectangular hole. Make their sharp edges

almost touch. Tape the razor blades to the box, being careful to leave a gap between the sharp edges that

is nice and even, and not wider at the top or bottom.

 

Next, set the box right-side-up, with the slit towards you. Now tape the CD disk onto the back wall of the

box. The rainbow side should face you, with the printed side touching the cardboard. The photo shows the

disk a little too far to the left. The left edge of the disk should be the same distance from the left of the box

as the slit is.

 

Now seal up any places on the box where light might leak in. Use the aluminum tape for this. You can also

use aluminum foil for this purpose if you don’t have any aluminum tape.

 

The last step is to use the aluminum tape to attach the paper tube. The aluminum tape will make a light-

tight seal around the tube. To make sure the angle is correct, hold the slit up to a light, and look through

the paper tube, adjusting it until you can see the full spectrum from red to purple.

 

Once you have assembled your spectrometer with the instructions in the lecture and above, use it to

examine the spectra of three different light sources. Make sure that at least one of them is the sun or

moon, but the others can be incandescent lights, compact fluorescent bulbs, LED lights, halogen or xenon

bulbs, televisions, computer screens, candles, fireplaces, etc.

 

Part 1: Spectrometer

 

Then, answer the following questions in a separate document:

 

Describe the differences in appearance among the three spectra.

What feature of the light source do the spectra represent? In other words, what is it that you are actually

analyzing?

 

Why do you think spectrometers are so valuable for studying celestial objects?

 

Part 2: Estimating the Number of Visible Stars in the Night Sky

 

For this, you will need an empty toilet roll and a clear, dark night. Before you start, jot down the number of

stars that you think you can see in the night sky.

Aim your toilet roll at a part of the sky well above the horizon to avoid any haze pollution. Hold your roll

 

steady and allow your eyes to get used to the light for a few seconds. Count the number of stars that you

can see within through the roll. Do this four more times in other parts of the sky, and average the five

counts.

 

The viewing diameter of a toilet roll is about 1/135th of the entire sky, at least for a relatively flat area.

Mountains, buildings or large trees will obscure some of the sky. To determine the number of visible stars,

multiply your average by 135.

 

Answer the following questions:

2. How similar is this to your original estimation?
3. What percentage of our galaxy do you think that we can see with the naked eye from Earth?

Part 3: Solar System
Please answer the following questions:

1. Why do you think that the inner planets are relatively close together, but the outer planets are spaced so widely apart?
2. Why do you think that the gaseous planets are gaseous, but the inner planets are not?

Describe How to Build A Spectrometer Essay Assignment

RUBRIC QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points:  Student failed to submit the final paper. 20 points out of 50:  The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50:  The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately.  Elements of the required response may also be lacking. 40 points out of 50:  The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples.  The answer is complete. 50 points:  The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples.  No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). Zero points:  Student failed to include citations and/or references. Or the student failed to submit a final paper. 5 out 20 points:  Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. 10 out 20 points:  References to scholarly sources are occasionally given; many statements seem unsubstantiated.  Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. 15 out 20 points:  Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented.  APA 6th Edition is used with only a few minor errors.  There are minor errors in reference and/or citations. And/or there is some use of questionable sources. 20 points:  Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented.  APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. Grammar (worth maximum of 20% of total points) Zero points:  Student failed to submit the final paper. 5 points out of 20:  The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors  10 points out 20:  The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors 15 points out of 20:  The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. 20 points:  The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. Structure of the Paper (worth 10% of total points) Zero points:  Student failed to submit the final paper. 3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. 5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements.  The student also significantly writes too large or too short of and paper 7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. 10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper.
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