SCI Unit Test Flashcards
The Astronomy Unit Test Study GUiDe...
who proposed the heliocentric model of the solar system?
copernicus
what is the geocentric model of the solar system?
a model of the solar system but Earth is the center of it.
what is the big bang theory?
The universe began with an explosion from a singularity about 14 billion years ago.
Check off the evidence that the universe is expanding. (Pick 3)
a)Edwin Hubble observed red shift.
b)The Big Bang says there was a giant explosion.
c)Objects in space are moving away from us in all directions.
d)Andromeda (our closest galaxy) is moving towards us.
e)The phases of the moon are constantly changing.
a,b,c
Describe the location of our sun in the universe by checking the boxes below. (Pick 3)
a)It is in the Milky Way galaxy
b)It is located on a spiral arm of our galaxy
c)It is next to Andromeda
d)Our sun is at the center of our solar system
a,b,d
Based on your knowledge of the planets Earth and Venus, how are the two planets most different? (Pick 2)
a)Venus has a very thick atmosphere compared to Earth.
b)Earth and Venus are very similar temperatures
c)Venus rotates backwards compared to Earth.
a,c
Composed of dust and rock mixed with frozen water, methane and ammonia
comet
meteor
asteroid
comet
Smaller pieces of rock broken from older___________ become meteoroids
comet
meteor
asteroid
meteor
Considered harmless even though they can be observed at times from Earth.
comet
meteor
asteroid
comet
Most of these are located between Mars and Jupiter.
comet
meteor
asteroid
asteroid
Pieces of dust and rock that burn up in the Earth’s atmosphere
comet
meteor
asteroid
meteor
Describe the location of the Earth, Sun, and Moon during a solar eclipse.
a)The sun is blocked by the moon during the night time because the Sun is between the Earth and Moon.
b)The moon is blocked by the Earth at night.
c)The Earth is blocked by the moon during the day because the Earth is between the Sun and Moon.
d)The sun is blocked by the moon during the day because the moon is in be
d
What is the date of the Summer Solstice in the south?
a)June 21 - 22
b)December 21-22
c)September 21-22
d)April 21-22
a
How are the inner planets different from the outer planets in our solar system? (pick 2)
a)The inner planets do not have rings and the all of the outer planets do have rings.
b)The inner planets revolve more slowly than the outer planets.
c)The inner planets revolve around the sun faster than the outer planets.
d)The inner planets are made of rock and the outer planets are made of gases.
a or c ,d
Larger than Earth; Gaseous planet; Coldest planet; Atmosphere of methane; Has large storm system like the Great Dark Spot. What planet am I?
Neptune
Mars
Uranus
Jupiter
uranus
