Download Unit 1 Test

Unit 1 Astronomy Test
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
Red
____
____
____
____
____
____
Yellow
Blue
1.
Which star is the coolest?
a. All are the same
c. Red
b. Blue
d. Yellow
2. When two waves of equal frequency are not synced together, the resulting wave is considered a:
a. Destructive Wave
c. Equalized Wave
b. Amplified Wave
d. Constructive Wave
3. What is a “package” of light called?
a. Neutron
c. Proton
b. Photon
d. Electron
4.
Which portion of the planets orbit takes the longest amount of time?
a. A
c. C
b. B
d. All Equal
5. Based on the picture seen above, in which portion of the planets orbit will the planet be moving the fastest?
a. A
c. C
b. B
d. All equal
6. What was the main representation of most Chinese constellations?
a. Mythical Heroes
c. Mythical Animals
b. Dynastic Kings
d. Ancestral Protectors
____
7.
____
The bright spot in the above picture is a type 1a supernova as seen using modern telescopes. Despite their
lack of technology, which of the following civilizations kept detailed records of astronomical occurrences
which scientists still use today for research?
a. Chinese
c. Greco/Roman
b. Celtic
d. Mayan
8. The speed of light is 3x10^8 m/s.
____
9.
____ 10.
____ 11.
____ 12.
____ 13.
____ 14.
If the wavelength of an infrared wave is 186,000m, what is the frequency of the beam?
a. 1612.9 Hz
c. 5.58 x 10^12 Hz
b. .062 Hz
d. 1 Hz
Electrons circle an atom’s nucleus in what way?
a. Rings
c. Cloud
b. Elliptical
d. Orbits
What device allows scientists to view the chemical composition of any object which either produces light or
can have light passed through it?
a. Telescope
c. Microscope
b. Spectroscope
d. Satellite
Wein’s law can be used to compare temperature to:
a. Wavelength
c. Frequency
b. Intensity
d. Color
If an object is moving towards you, the light coming from that object is considered:
a. red-shifted
c. unchanged
b. blue-shifted
d. dopplered
Electromagnetic Radiation is another term for:
a. Light
c. Luminosity
b. Electricity
d. Frequency
What are constellations?
a. Regions of the sky which directly
c. An internationally defined are of the
correlate with geographic regions on Earth
celestial sphere
b. Figures drawn in the sky which are only d. The remnants of ancient heroes who watch
made using stars
from the sky to protect humanity
____ 15. When two waves of equal frequency are synced together, the resulting wave is considered a:
a. Destructive Wave
c. Amplified Wave
b. Equalized Wave
d. Constructive Wave
____ 16. If an electron moves from an excited state to a lower state, what is released?
a. Electron
c. Proton
b. Neutron
d. Photon
____ 17. What is the symbol for wavelength?
a.
c.
b.
d.
Low λ
Intensity
High λ
____ 18.
____ 19.
____ 20.
____ 21.
____ 22.
____ 23.
____ 24.
Frequency
What is the color of this star?
a. Blue
c. Green
b. Red
d. Yellow
The Greco/Roman civilization based there constellations upon:
a. Mythical Animals
c. Mythical Heroes
b. Ancient Tools
d. All of the above
The problem with the Ptolemaic model is that astronomical observations of the motion of the planets had all
of the planets moving in:
a. Multicycles within a Difference
c. Deferent within a Epicycles
b. Epicycles within a Deferent
d. Differences within a Multicycles
Which of these civilizations did in depth study of astronomy, using the information they uncovered for the
purposes of religious dogma and scientific understanding of the universe?
a. Mayan
c. Greco/Roman
b. Chinese
d. All of the above
Who were the first true astronomers?
a. Mayans
c. Greeks
b. Romans
d. Chinese
If an object is moving away from you, then the light coming from that object is considered:
a. unchanged
c. red-shifted
b. dopplered
d. blue-shifted
Which is not a type of telescope discussed in class?
a. Reflecting Telescope
c. Refracting Telescope
b. Diffraction Telescope
d. Radio Telescope
____ 25.
1
Number 1 in the picture above is representative of a:
a. Focal Amplitude
c. Focal Cone
b. Focal Length
d. Focal Point
____ 26. In the picture above, number 2 is representative of:
a. Focal Cone
c. Focal Point
b. Focal Amplitude
d. Focal Length
____ 27. In the picture above, number 3 is representative of:
a. Focal Length
c. Focal Cone
b. Focal Amplitude
d. Focal Point
A
B
____ 28.
____ 29.
____ 30.
____ 31.
____ 32.
In the picture above, Spectra A is the normal spectra from a distant galaxy, but Spectra B is what we observe.
Therefore, the spectra makes it clear that Spectra B is:
a. Blue-shifted
c. Dopplered
b. Red-shifted
d. Unchanged
Which of these is not one of Kepler’s three laws of planetary motion?
a. Objects move faster when closer to a large c. Planetary orbits are elliptical
object
b. All objects gain speed due to gravitational d. Speed of an orbit changes with the size of
pulls around them
an orbit
Astronomical observations were primarily used to track time in which civilization?
a. Greco/Roman
c. Mayan
b. Ottoman
d. Chinese
The unit for Frequency are:
a. Hertz
c. Seconds
b. Scoviles
d. Meters
What does the term absolute zero mean?
a. The temperature of outer space
c. The same as 0 degrees Celsius
b. The lowest temperature humans have ever d. No movement of any kind by the atom and
reached in a lab
thus no energy
____ 33. The speed of light is equal to 3 x 10^8 m/s
If the frequency of a Radio Wave is 1000 Hz, what is the beam’s wavelength?
a. 3,000 m/s
c. 300,000 m/s
b. 300 m/s
d. 30,000 m/s
____ 34. How does an electron gain energy to be able to jump from one energy level to another?
a. Two atoms collide
c. None of the above
b. A photon of light impacts the electron
d. Both A and B
____ 35. The first modern conception of a heliocentric universe came from what scientist?
a. Nicholas Copernicus
c. Galileo Galilee
b. Isaac Newton
d. Johannes Kepler
Matching
a.
b.
c.
d.
____
____
____
____
36.
37.
38.
39.
Aristotle
Aristarchus
Ptolemy
Nicolas Copernicus
ab. Johannes Kepler
ac. Galileo Galilee
ad. Isaac Newton
The first person recorded to have a heliocentric view of the universe.
Created the first laws of planetary motion
Created the first reflecting telescope, establish three laws of motion and discovered gravity
Created the first geocentric model of the universe based on multiple spheres inside one another encased in a
crystalline outer sphere.
____ 40. The first person to use the telescope for the purposes of studying astronomy
____ 41. Established the first modern precedent for a heliocentric universe.
____ 42. Had a geocentric view of the universe, believed that the universe was governed by geometry, and focused on
the circle as being the shape of supremacy.
50
49
48
51
52
47
43
46
44
45
Identify the different parts of the Ptolemaic Model
a.
b.
c.
d.
ab.
____
____
____
____
____
____
____
____
____
____
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
Mercury
Sun
Saturn
Moon
Crystalline Sphere
ac.
ad.
abc.
abd.
abcd.
Fixed Stars
Earth
Venus
Mars
Jupiter
53
54
55
Identify the different parts of the Spectrum
a. X-Rays
b. Visible
c. Gamma
d. Ultraviolet
____
____
____
____
____
____
____
56
57
ab. Radio
ac. Infrared
ad. Microwaves
53.
54.
55.
56.
57.
58.
59.
63
62
61
60
Identify the different parts of a wave
a. Wavelength
b. Amplitude
____
____
____
____
60.
61.
62.
63.
c. Trough
d. Crest
58
59
True/False
Indicate whether the sentence or statement is true or false.
____ 64. Intensity is proportional to frequency.
____ 65. A heliocentric model of the universe places the Earth at the center.
____ 66. 0K is equal to -460 C.
____ 67. The Copter Effect is the term used to explain the change is frequency and wavelength that light or sound has
based upon is changing distance between a source and an observer.
____ 68. Most objects in the universe are blue-shifted.
____ 69. Frequency involves the number of pulses of energy past a certain point in a specific amount of time.
____ 70. A geocentric universe places the Earth at the center.
____ 71. The speed of light is also known as the cosmological constant.
____ 72. We can obviously see in the visible portion of the spectrum, but we can also see parts of the infrared and
ultraviolet portions without the help of technology.
____ 73. An emission line on a spectra shows which wavelength of light an atom of a given substance releases when
the atom’s electrons return to it’s ground state.
____ 74. Galileo used a reflecting telescope.
____ 75. The planets are named after Greco/Roman gods.