Which of the following best describes a difference between comets and asteroids?

Comets are made of ice, and asteroids are made of rocks.

Which of these best describes a comet?

a ball of ice and rock that has a trail of gas and dust

Which statement BEST explains why Mercury has EXTREME temperatures? (hot and cold)

Mercury is the closest to the Sun and has no atmosphere.

Which BEST describes the moons of the outer planets?( also called the "Gas Giant Planets")

Each of the Gas Giant planets has more than one moon.

Some stars can ONLY be seen through a telescope. Sirius a star can be seen without a telescope.

Sirius is much larger and hotter than other stars.

Many stars are larger than the Sun. If this is true, why do they appear smaller in the sky?

These stars are farther away from Earth than the Sun is.

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Our Solar System and Planets

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Answers

1
Which of the following best describes a difference between comets and asteroids?
Comets fly by earth, asteroids form patterns in the sky.
Comets are hot balls of gas, and asteroids are made of ice.
Comets orbit planets, and most asteroids orbit the Sun.
Comets are made of ice, and asteroids are made of rocks.
2
Which answer describes how the inner planets are similar to each other?
They are all the same size.
They all have at least one moon.
They all have a thick atmosphere.
They all have solid surfaces.
3
Which of these best describes a comet?
a star that travels through the universe
a ball of ice and rock that has a trail of gas and dust
a dwarf planet that orbits the sun
a large rocky object that orbits around a planet
4
Which statement describes a characteristic that Earth has in common witha gas giant?
Their distance from the sun is the same.
They are a similar size.
They both have an atmosphere.
Their revolution is the same length.
5
Which statement BEST explains why Mercury has EXTREME temperatures? (hot and cold)
Mercury is the closest to the Sun and has no atmosphere.
Mercury is farther away from the Sun than any other planet.
Mercury has no moons.
Mercury has a thick atmosphere that holds heat well.
6
Which BEST describes the moons of the outer planets?( also called the "Gas Giant Planets")
None of the Gas Giant planets has any moons.
Jupiter is the only Gas Giant planet that has a moon.
Saturn is the only Gas Giant planet that has a moon.
Each of the Gas Giant planets has more than one moon.
7
Some stars can ONLY be seen through a telescope. Sirius a star can be seen without a telescope.
Some star are much larger and hotter than Sirius
All stars are the same temperature, so Sirius must be larger
Stars are all the same size, so Sirius must be hotter ..
Sirius is much larger and hotter than other stars.
8
Many stars are larger than the Sun. If this is true, why do they appear smaller in the sky?
These stars are made of different chemicals than the Sun.
These stars have less mass than the Sun.
These stars are hotter than the Sun.
These stars are farther away from Earth than the Sun is.
9
Which objects in Earth’s solar system can also be called a gas giant?
a comet
a star
an outer planet
an inner planet
10
What general descriptions of a planet can apply to EVERY planet in our Solar System?
is always the same distance from the Sun
has water on its surface
spins on its axis
has at least one moon

Our Solar System and Planets Flashcards | StudBud