Download Quiz #5 – The Sun

Chapter 26 –Quiz Study Guide
Name ________________
Date __________
Period _____
Earth Science
Mr. Evosirch
1.
The sun ( does or does not ) rotate. The sun does rotate
2.
During a total solar eclipse one might view the corona (layer of Sun).
3.
The fusion reaction that produces the sun’s energy occurs in the core or interior of the sun
4.
The apparent yellow surface of the sun is the photosphere.
5.
The sun is composed of hydrogen and helium.
6.
Compared to the Earth’s diameter, the sun’s diameter is about 110 times greater.
7.
The sun is a main sequence star (stage of stellar evolution)
8.
9.
10.
Sunspots are cool, dark areas on the sun’s photosphere.
Electrically charged particles coming from the corona are solar winds .
Coronal holes are tears in the corona where charged particles can escape.
11.
Explosions off of the photosphere, out of sunspots are called
12.
Solar prominences are dense clouds of material suspended above the surface by magnetic fields.
13.
As the distance from the sun to the Earth decreases, the orbital velocity of the Earth increases .
14.
Label the two ellipses below. One will have a High Eccentricity and one will have a Low Eccentricity.
Low Eccentricity
14.
solar flares .
High Eccentricity
What technology did Galileo Galilei use to prove Copernicus and Kepler were right?
The telescope
15.
Name the model of the solar system that is shown in the diagram below. Who proposed this model?
Heliocentric Model
16.
Proposed by Copernicus
Name the model of the solar system that is shown in the diagram below. Who proposed this model?
Geocentric Model
Proposed by Ptolemy
17.
The orbits of the planets are best described as elliptical with the sun at one of the foci.
18.
In which type of model are the Sun, other stars, and the Moon in orbit around the Earth?
Geocentric Model
19.
For what reason did the heliocentric model of the universe replace the geocentric model of the universe?
The heliocentric model provided a simpler explanation of the motions of the planets
20.
When a planet is ( farthest or closest ) to the sun the planets orbital velocity is greatest.
21.
The most dense layer of the sun is the core .
22.
Which of Kepler’s three laws is shown in the diagram below? Equal Area Law Describe this law.
Planets will sweep out an equal area
in equal periods of time.
23.
Nicolaus Copernicus is credited with proposing the heliocentric model of the solar system.
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24.
Be able to label the layers and features of sun on
the diagram.
1. Photosphere
2. Chromosphere
3. Sunspot
4. Core
5. Solar Prominence
6. Solar Wind
7. Corona
8. Solar Flare
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