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Astronomy Review
Test Description: Astronomy, Weather, Geology, Forces and Motion, Physics
Instructions: Answer all questions to get your test result.
1) Equator
A
imaginary line that divides Earth into its northern and southern hemispheres
B
The lit portion of the moon that faces the Earth and is growing smaller from night to night
C
motion of an object around another object
D
imaginary line that divides Earth into its Eastern and Western hemispheres
2) Revolution
A
The motion that occurs in the mantle
B
Motion of one object spinning on its axis
C
high pressure centers of dry air
D
Motion of an object around another object
3) Equinox
A
day of the year when Earth's axis is not leaning toward or away from the sun
B
We see less than half of the lit portion of the Moon
C
day of the year when we see the least sunlight and the most night
D
day when we have the most sunlight and the least night
4) Rotation
A
Another word for orbit
B
a warm air mass over takes a slow-moving cold air mass
C
When one object moves around another object
D
Spinning motion of an object on its axis
5) When it is winter in the Southern Hemisphere
A
The Northern hemisphere is facing the sun
B
The Southern hemisphere is facing the sun
C
Neither hemisphere is facing the sun
D
The Northern hemisphere is facing away from the sun
6) March 21 or September 21
A
Equinoxes
B
The sunlit side of the Moon faces away from the Earth
C
The shortest days of the year
D
Solstice
7) orbit
A
Another name for rotation
B
When one object is spinning on its axis
C
The path an object follows as it moves around another object
D
The movement of the galaxy
8) Solstice
A
the days and nights are equal in length
B
the Earth is not pointed toward or away from the sun
C
the moon is in between the sun and the Earth
D
the day when Earth's poles are either pointed directly toward or directly away from the sun
9) June 21
A
The Earth's pole is pointed directly away from the sun
B
The shortest day of the year
C
The Earth's pole is pointed directly at the sun
D
The days are equal in length compared to the night
10) What causes seasons?
A
cold and warm air masses meet, but neither can move the other
B
the either gets closer or further away from the sun
C
a warm air mass overtakes a slow-moving cold air mass
D
the tilt of the Earth as it revolves around the sun
11) A galaxy with a nucleus of bright stars and two or more spiral arms
A
elliptical galaxy
B
galactic nebula
C
irregular galaxy
D
spiral galaxy
12) Red shift
A
light waves emitted from galaxies spread out, showing that the galaxy is moving away from us
B
light waves emitted from galaxies get close together, showing that the galaxy is moving toward us
C
When everyone in the galaxy wears red
D
A concentration of dust and gas in space that forms a star
13) Nebula
A
The left overs from a dying regular star
B
Gas and dust existing in space as remnants from the formation of the universe
C
The left overs after a massive star implodes
D
The stage a star goes through before exploding
14) Waxing
A
The lit portion of the moon is on the left and growing larger each night
B
The lit portion of the moon is on the right and growing larger each night
C
The lit portion of the moon is on the left and shrinking each night
D
The lit portion of the moon is on the right and shrinking each night
15) Waning
A
The lit portion of the moon is on the right and growing larger each night
B
The lit portion of the moon is on the left and growing larger each night
C
The lit portion of the moon is on the left and shrinking each night
D
The lit portion of the moon is on the right and shrinking each night
16) The lunar cycle
A
6 weeks
B
295 Days
C
29.5 days
D
365 days
17) lunar eclipses
A
When the moon casts a shadow on the Earth because it is behind Earth
B
when the moon casts a shadow on the Earth because it moves between the Earth and Sun
C
when the earth casts a shadow on the moon at night causing it to look red
D
when the earth casts a shadow on the moon at night causing it to completely black out
18) The sun is...
A
the left overs after a super nova
B
A main sequence star
C
The brightest star in the sky
D
A red giant
19) The driving force that creates the light and heat of a star
A
gravity
B
nuclear fusion
C
nuclear fission
D
a lot of batteries
20) protostar
A
The cloud of dust and gas that will eventually become a star
B
The process of combining hydrogen atoms under such intense pressure that they merge to become helium
C
The death of a star
D
hydrogen atoms and dust condense, heat up, and begin emitting light. No nuclear fusion yet.
*select an answer for all questions
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