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Ms. Seither's Astronomy - 4SW Review
Test Description: TEKS 4D 6B 9AB 10ABCD
Instructions: Answer all questions to get your test result.
1) A solar flare is observed, and radio interference arrives
A
simultaneously
B
the next day
C
500 seconds later
D
10 minutes later
2) The mass of all the planets combined is ___ of the Sun
A
99.85%
B
less than 1%
C
5%
D
10%
3) What protects life from excessive UV radiation?
A
stratosphere
B
ozone layer
C
chromosphere
D
clouds
4) Which of the following has the layers of the Sun correct from inside out?
A
convective, radiative, chromosphere, corona
B
Core, radiative, convective, chromosphere
C
core, chromosphere, convective, photosphere
D
Core, convective, radiative, chormosphere
5) What is the source of the Sun's energy?
A
fission
B
magnetic fields
C
fusion
D
helium
6) What can the number of sunspots predict?
A
the number of coronal mass ejections
B
simultaneous radio interference
C
the number of days with an Aurora Borealis
D
the number of flares and prominences
7) How long between solar max's?
A
11 years
B
11 days
C
15 years
D
unknown
8) What causes sunspots, flares, and prominences?
A
solar wind
B
light
C
magnetic fields
D
convection
9) What does Earth have in the atmosphere that no other planet has that's necessary to sustain life?
A
volcanoes
B
greenhouse effect
C
sunlight
D
water
10) Jovian planets ________
A
have few, if any, moons
B
orbit faster than terrestrial planets
C
all have rings
D
are more dense than terrestrial planets
11) Newton and Kepler agreed about what?
A
Planets closer to the Sun in orbit will move faster, and planets further from the Sun will move slower
B
Planets closer to the Sun in orbit will move faster, and planets further from the Sun will move faster
C
Planets closer to the Sun in orbit will move slower, and planets further from the Sun will move faster
D
Planets closer to the Sun in orbit will move slower, and planets further from the Sun will move slower
12) Where do long-period comets and short-period comets reside?
A
Main Asteroid Belt; Oort cloud
B
Oort cloud; Kuiper Belt
C
Kuiper Belt; Main Asteroid Belt
D
Kuiper Belt; Oort cloud
13) What temperature is required for the core of a star to begin fusion?
A
10 billion K
B
100 million K
C
53,000 K
D
10 million K
14) Which planets are the most dense?
A
all the Jovian planets
B
Neptune, Earth, and Mars
C
Mercury and Jupiter
D
all the Terrestrial planets
15) Pluto is found ____, and Ceres is found ____
A
Both are in the Kuiper Belt
B
Main Asteroid Belt; Oort cloud
C
Oort cloud; Kuiper Belt
D
Kuiper Belt; Main Asteroid Belt
*select an answer for all questions
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