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