# Env Sci/Physics 141: Some Basic Stuff You Have to Know

Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay
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1. A meter is roughly
1. A yard
2. A foot
3. A mile
4. A pound
1. 0.6 miles
2. 500 feet
3. 2 miles
4. A ton
1. 2.2 pounds
2. 6 ounces
3. 0.5 ounces
4. 600 grams
4. Nano means
1. A billionth
2. A millionth
3. A thousandth
4. A hundredth
5. Micro means
1. A billionth
2. A millionth
3. A thousandth
4. A hundredth
6. Milli means
1. A billionth
2. A millionth
3. A thousandth
4. A hundredth
5. Lip-syncing
7. Centi means
1. A hundredth
2. A tenth
3. 100
4. 1000
8. Kilo means
1. A hundredth
2. A tenth
3. 100
4. 1000
9. Mega means
1. 1/1,000,000
2. 1000
3. 1,000,000
4. .001
10. Giga means
1. A billionth
2. A billion
3. A millionth
4. A trillion
11. Tera means
1. A billionth
2. A billion
3. A millionth
4. A trillion
12. 100,000 x 10,000 = 1,000,000,000 is represented how in scientific notation?
1. 1003 x 103 = 109
2. 10002 x 10001 = 10006
3. 105 x 104 = 109
4. 15 x 14 = 19
13. To multiply two numbers in scientific notation:
2. Subtract the bottom exponent from the top
3. Subtract the top exponent from the bottom
4. Multiply the exponents
5. Divide the top exponent by the bottom
14. To divide two numbers in scientific notation:
2. Subtract the bottom exponent from the top
3. Subtract the top exponent from the bottom
4. Multiply the exponents
5. Divide the top exponent by the bottom
15. To add or subtract numbers in scientific notation:
2. Subtract the bottom exponent from the top
3. Subtract the top exponent from the bottom
4. Multiply the exponents
5. Write the numbers out and add or subtract
16. Negative Exponents mean
1. Numbers less than 1
2. Numbers less than 0
3. Square roots
4. Numbers larger than infinity
17. Anything to the zero power equals
1. Itself
2. One
3. Zero
4. 1 over the number
18. A light year is
1. The distance light travels in a year
2. The time it takes light to cross the galaxy
3. The time it takes light to cross the earth's orbit
4. Everything you want in a regular year and less
19. 32 F =
1. 0 C (Water freezes)
2. 100 C (water boils)
3. 32 C (Scales Equal)
4. 98.6 C (Body temperature)
20. 212 F =
1. 0 C (Water freezes)
2. 100 C (water boils)
3. 212 C (Scales Equal)
4. 98.6 C (Body temperature)
21. -40 F =
1. 0 C (Water freezes)
2. 100 C (water boils)
3. -40 C (Scales Equal)
4. 98.6 C (Body temperature)
22. One C degree equals
1. 100 F degrees
2. 1.8 F degrees
3. 0.5 F degrees
4. 0.1 F degrees
23. Absolute zero is where
1. My grade will be after this exam
2. All atomic motion stops
3. The Celsius and Fahrenheit scales are equal
4. Water freezes
24. The Kelvin Scale differs from the Celsius scale how?
1. Celsius starts at Absolute Zero
2. Kelvin starts at Absolute Zero
3. Kelvin degrees = 1.8 Celsius degrees
4. It runs in the opposite direction
25. To convert Kelvin to Celsius
2. Subtract 273
3. Multiply by 5/9 and add 32
4. Multiply by 9/5 and subtract 32
26. Which has the longest wavelength?
2. Infrared
3. Visible light
4. Ultraviolet
5. X Rays
27. Which has the shortest wavelength?
2. Infrared
3. Visible light
4. Ultraviolet
5. X Rays
28. Which has the longest wavelength?
1. Red
2. Orange
3. Yellow
4. Green
5. Blue
29. Which has the shortest wavelength?
1. Red
2. Orange
3. Yellow
4. Green
5. Blue
30. Telescopes that use lenses to create images are called
1. Refractors
2. Reflectors
3. Diffractors
4. Dementors
31. Telescopes that use mirrors to create images are called
1. Refractors
2. Reflectors
3. Diffractors
4. Dementors
32. The largest telescopes today are all
1. Refractors
2. Reflectors
3. Diffractors
4. Dementors
33. Why are the largest telescopes reflectors?
1. Mirrors get cheaper the larger they are
2. It is very hard to make optically perfect large lenses
3. Reflectors are easier to mount
4. Reflectors are easier to repair
34. Telescopes that use both lenses and mirrors to create images are called
1. Refracto-reflectors
2. Mirror-Lens telescopes
3. Compound telescopes
4. Newtonian telescopes
35. The biggest virtue of compound telescopes is
1. They are cheaper than other kinds
2. They are more powerful
3. They can be much more compact than other telescope designs
4. They are easier to construct
36. To astronomers, the single most important function of a telescope is to
1. Collect light
2. Magnify the image
3. Resolve fine detail
4. Create spectacular photographs
37. Telescope mounts that rotate horizontally and vertically are called
1. Altazimuth
2. Equatorial
3. Cantilever
4. Biaxial
38. Telescope mounts with an axis aligned parallel to the earth's axis are called
1. Altazimuth
2. Equatorial
3. Cantilever
4. Biaxial
39. Why are equatorial mounts built that way?
1. It's easier
2. It supports the telescope better
3. It allows the telescope to follow objects with a single movement
4. It uses less materials
40. How often do astronomers observe through large telescopes visually?
1. Most of the time
2. When photography isn't sensitive enough
3. About an equal mix of visual and photographic observation
4. Hardly ever

Created 30 September 2008, Last Update 14 December 2009

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