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Earth and Space
Earth and Space
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Review of the Solar System
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
Which characteristic is related to the temperature of a star?
brightness
diameter
color
mass
2
How can you tell a comet from an asteroid?
an irregular shape
a small size
a long tail
a rocky surface
3
Why is Pluto classified as a dwarf planet?
It is too small to be a planet.
It does not orbit the sun.
It is too far from Earth.
It has other bodies in its orbit.
4
What is true about a red giant star and the sun?
a red giant is hotter than the sun
viewed at the same distance, the sun is brighter
the only difference is their size
red giant is brighter than the sun
5
Which statement is true?
Stars that are the same color are usually the same size.
A larger star must be brighter.
A smaller star must be hotter.
A smaller star must be closer to Earth.
6
Why is the sun considered the center of the solar system?
Everything in the solar system revolves around the sun.
It is closer to Earth than other stars.
The sun produces light and energy.
The sun is the largest object that can be seen?
7
What is the difference between a barred spiral galaxy and a normal spiral galaxy?
the number of stars in the galaxy
the colors of the stars in the galaxy
the shape of the spiral arms
the number of spiral arms
8
What are the objects that make up most of the visible matter in a galaxy?
planets
asteroids
dust
stars
9
What characteristic determines the color of a star?
actual brightness
temperature
size and shape
distance from Earth
10
What color are the coldest stars
orange
white
red
blue
11
The sun is a medium sized star. Why does it appear to be so large?
It produces more light than other stars.
It is affected by Earth's gravity more than other stars.
It is closer to Earth than other stars.
It is hotter than other stars.
12
How are galaxies classified?
temperature
size
shape
number of stars
13
Why is the surface of Venus difficult to see?
It does not produce light of its own
It is surrounded by thick clouds.
It is covered completely by water
It is too far from Earth to be seen
14
How many stars are there in the Milky Way galaxy?
hundreds of millions of stars
hundreds of billions of stars
tens of millions of stars
thousands of stars
15
What is found between the inner and outer planets?
comets
stars
moons
asteroids
16
Which of these objects would be found between Mars and Jupiter?
stars
asteroids
dwarf planets
comets
17
What color are the hottest stars?
red
blue
white
orange
18
Which planet has a mass more than 300 times the mass of Earth?
Jupiter
Venus
Mars
Mercury
19
What is the largest object in our solar system?
sun
comet
asteroid
Jupiter
20
What do Saturn, Uranus, and Neptune have in common with Jupiter?
a large solid core
a thick gaseous atmosphere
well-defined rings
a density greater than Earth's density
21
What are stars made of?
hot metal
extremely hot rock
carbon and oxygen
glowing, hot gases
22
Which statement is true of Venus and Mars?
They have the same number of moons?
Their surfaces are covered with water.
They both have a large solid core.
Their orbits are the same size.
23
What is a planet?
a rock fragment in space
a in space that revolves around a star in its own orbit
space object composed of gases, gives off light
many stars held together
