How does the lack of an atmosphere affect temperatures on Mercury?

Temperatures vary more without an atmosphere

Why is a year on Mars longer than a year on Earth?

Mars is farther from the sun than Earth is.

a planet that has a deep, massive atmosphere

On which planet would you weigh less than you would weigh on Earth?

Uranus (79% or Earth's gravity)

The atmosphere of Venus reflects heat back to the surface.

Which of the following planets in the solar system have rings?

Jupiter, Saturn, Uranus, and Neptune only

What is true about dwarf planets?

They are round because of their own gravity.

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Planets and Small Bodies in the Solar System

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Questions 22

Answers

1
Which direction does Earth rotate?
Retrograde
Prograde
Clockwise
Counterclockwise
2
The terrestrial planets include Mars, Venus, Earth, and which other planet?
Uranus
Mercury
Saturn
Jupiter
3
What feature of Mars is a result of iron combining with oxygen in the atmosphere of Mars?
the planet's polar ice
the planet's breathable air
the reactivation of the planet's volcanos
the planet's red color
4
How does the lack of an atmosphere affect temperatures on Mercury?
Temperatures vary less without an atmosphere
Temperatures vary more without an atmosphere
Temperature would not be affected by a lack of atmosphere
Temperatures are only affected when it is close to the sun
5
Where do short-period comets originate?
the Kuiper Belt
the asteroid belt
the Oort Cloud
the orbit of Jupiter
6
Which terrestrial planet has moons named Phobos and Deimos?
Mars
Mercury
Venus
Earth
7
What is a bright streak of light that results when a meteoroid burns up in Earth's atmosphere?
meteorite
asteroids
comets
meteor
8
Why is a year on Mars longer than a year on Earth?
Mars has a thinner atmosphere than Earth does.
Mars has a longer period of rotation than Earth does.
Mars is farther from the sun than Earth is.
MArs has a greater axial tilt than Earth does.
9
What is a gas giant?
a large, red star
a cloud in space made of gas and dust
a rock from space that reaches Earth's surface
a planet that has a deep, massive atmosphere
10
What is a small, rocky body that travels through space?
meteorite
meteoroid
meteor
comet
11
On which planet would you weigh less than you would weigh on Earth?
Saturn (106% of Earth's gravity)
Neptune (112% of Earth's gravity)
Jupiter (253% of Earth's gravity)
Uranus (79% or Earth's gravity)
12
Which of the following statements best describes the characteristics of terrestrial planets?
small, dense, rocky surfaces
large, planetary rings, many moons
rocky cores, close to the sun, surface craters
made up of hydrogen and helium, close to the sun, small
13
Why is Venus so hot?
The surface of Venus absorbs energy from the sun.
The atmosphere of Venus reflects heat back to the surface.
The rotation of Venus affects the sun's rays.
The atmosphere allows the sun's rays to go back into space.
14
Which of the following planets in the solar system have rings?
Saturn only
Jupiter and Saturn only
Saturn, Jupiter, Uranus, Neptune, and Pluto only
Jupiter, Saturn, Uranus, and Neptune only
15
Where is the Kuiper Belt located?
between the orbits of Neptune and Jupiter
outside the orbit of Neptune
between the orbits of Jupiter and Mars
between the orbits of Earth and Mars
16
Which gas giant is tilted on its side as it orbits the sun?
Jupiter
Uranus
Neptune
Mercury
17
Pluto is mainly composed of which materials?
carbon dioxide gas and rock
ice and rock
hydrogen and helium
liquid water and rock
18
Which planet (or planets) have more than 60 moons?
Jupiter, Saturn, and Neptune only
Jupiter only
Jupiter and Saturn only
Jupiter, Saturn, Neptune, and Uranus
19
How are Jupiter and Saturn similar?
They are mostly carbon dioxide gas.
THey are close to the sun.
They have the same density.
THey have many satellites.
20
What is true about dwarf planets?
They have no moons.
They are larger than Earth.
They are round because of their own gravity.
They are composed of metal.
21
Which terrestrial planets have diameters nearly equal in size?
Earth and Mars
Mars and Venus
Earth and Venus
Mars and Mercury
22
Which objects are located between the orbits of Mars and Jupiter?
Kuiper Belt objects
asteroids
comets
meteorites

Planets and Small Bodies in the Solar System Flashcards | StudBud