Which of these is NOT true about the 4 inner (terrestrial/rocky) planets?

They take longer to orbit the Sun than the gas giants.

Why is Venus the hottest planet in the Solar System?

It has thick clouds which trap heat from the Sun.

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The Solar System

25 termsStudBud Administration36 plays

About the Solar System!

Flashcards25 cardsFPractice quizPHost liveL

Questions 25

Answers

1
What is the largest moon in the Solar System?
Earth's Moon
Ganymede
Titan
Eris
2
When was the most recent time humans walked on the Moon?
2002
1972
1982
1992
3
Which planet is rotating the fastest (only 10 hours in a day)?
Mars
Jupiter
Saturn
Uranus
4
Which planet has the shortest orbital period (year)?
Venus
Neptune
Jupiter
Mercury
5
How long does it take the Moon to orbit the Earth?
27 years
2.7 years
2.7 days
27 days
6
A heliocentric model has...
galaxies moving away from each-other.
the planets in elliptical orbits.
the Earth at the centre.
the Sun at the centre.
7
The Solar System was born out of the remnants of what major event?
The Big Bang.
The expansion of the universe.
A supernova.
A collision of two galaxies.
8
The scientific term for a "shooting star" is a...
supernova.
asteroid.
meteorite.
meteor.
9
Which of these is NOT a dwarf planet?
Eris.
Callisto.
Ceres.
Makemake.
10
Which of these is NOT part of the definition of a planet?
It's orbiting a star.
Its gravity is strong enough to make it spherical.
It has cleared its neighbourhood.
It has at least one moon.
11
Who first discovered the four largest moons of Jupiter?
Aristarchus
Johannes Kepler
Sir Isaac Newton
Galileo Galilei
12
What causes the seasons?
The tides.
The Earth's tilted rotation.
The natural cycles of Earth's atmosphere and oceans.
The elliptical shape of Earth's orbit.
13
Which planet is moving the fastest in the Solar System?
Mercury.
Jupiter.
Mars.
Neptune.
14
What is NOT a condition for an object to be considered a planet?
Its gravity must pull it into a spherical shape.
It must have an atmosphere.
It orbits a star.
It must have cleared its orbital path.
15
What did the word "planet" originally mean?
Rock.
Small star.
Celestial sphere.
Wanderer.
16
Which large moon is orbiting its planet the "wrong way"?
Callisto
Titan
Triton
Io
17
What element is the Sun primarily made out of?
Oxygen.
Helium.
Hydrogen.
Nitrogen.
18
Where does the asteroid belt lie?
Outside of Neptune's orbit.
Between Jupiter and Saturn.
Between Earth and Mars.
Between Mars and Jupiter.
19
What phase of the Moon does this show?
Waxing gibbous
Waning gibbous
First quarter
Third quarter
20
Which of these is NOT true about the 4 inner (terrestrial/rocky) planets?
They take longer to orbit the Sun than the gas giants.
They are denser than the gas giants.
They have few moons compared to the gas giants.
They have no rings.
21
Galileo used a telescope in 1610 to discover 4 moons orbiting which planet?
Jupiter
Uranus
Saturn
Mars
22
Which planet is closest to the Sun?
Jupiter
Venus
Mars
Mercury
23
Why does the Moon not have an atmosphere?
Its gravity is too weak to hold one.
It is not geologically active.
All of the above.
It actually has an extremely thin atmosphere.
24
Why is Venus the hottest planet in the Solar System?
It has thick clouds which trap heat from the Sun.
It's the closest to the Sun.
It has volanoes which release heat into the atmosphere.
Chemical reactions occur in its atmosphere which cause heat.
25
Which planet is this?
Uranus
Venus
Mercury
Neptune

The Solar System Flashcards | StudBud

The Solar System

25 termsStudBud Administration36 plays

About the Solar System!

Flashcards25 cardsFPractice quizPHost liveL

Questions 25

Answers

1
What is the largest moon in the Solar System?
Earth's Moon
Ganymede
Titan
Eris
2
When was the most recent time humans walked on the Moon?
2002
1972
1982
1992
3
Which planet is rotating the fastest (only 10 hours in a day)?
Mars
Jupiter
Saturn
Uranus
4
Which planet has the shortest orbital period (year)?
Venus
Neptune
Jupiter
Mercury
5
How long does it take the Moon to orbit the Earth?
27 years
2.7 years
2.7 days
27 days
6
A heliocentric model has...
galaxies moving away from each-other.
the planets in elliptical orbits.
the Earth at the centre.
the Sun at the centre.
7
The Solar System was born out of the remnants of what major event?
The Big Bang.
The expansion of the universe.
A supernova.
A collision of two galaxies.
8
The scientific term for a "shooting star" is a...
supernova.
asteroid.
meteorite.
meteor.
9
Which of these is NOT a dwarf planet?
Eris.
Callisto.
Ceres.
Makemake.
10
Which of these is NOT part of the definition of a planet?
It's orbiting a star.
Its gravity is strong enough to make it spherical.
It has cleared its neighbourhood.
It has at least one moon.
11
Who first discovered the four largest moons of Jupiter?
Aristarchus
Johannes Kepler
Sir Isaac Newton
Galileo Galilei
12
What causes the seasons?
The tides.
The Earth's tilted rotation.
The natural cycles of Earth's atmosphere and oceans.
The elliptical shape of Earth's orbit.
13
Which planet is moving the fastest in the Solar System?
Mercury.
Jupiter.
Mars.
Neptune.
14
What is NOT a condition for an object to be considered a planet?
Its gravity must pull it into a spherical shape.
It must have an atmosphere.
It orbits a star.
It must have cleared its orbital path.
15
What did the word "planet" originally mean?
Rock.
Small star.
Celestial sphere.
Wanderer.
16
Which large moon is orbiting its planet the "wrong way"?
Callisto
Titan
Triton
Io
17
What element is the Sun primarily made out of?
Oxygen.
Helium.
Hydrogen.
Nitrogen.
18
Where does the asteroid belt lie?
Outside of Neptune's orbit.
Between Jupiter and Saturn.
Between Earth and Mars.
Between Mars and Jupiter.
19
What phase of the Moon does this show?
Waxing gibbous
Waning gibbous
First quarter
Third quarter
20
Which of these is NOT true about the 4 inner (terrestrial/rocky) planets?
They take longer to orbit the Sun than the gas giants.
They are denser than the gas giants.
They have few moons compared to the gas giants.
They have no rings.
21
Galileo used a telescope in 1610 to discover 4 moons orbiting which planet?
Jupiter
Uranus
Saturn
Mars
22
Which planet is closest to the Sun?
Jupiter
Venus
Mars
Mercury
23
Why does the Moon not have an atmosphere?
Its gravity is too weak to hold one.
It is not geologically active.
All of the above.
It actually has an extremely thin atmosphere.
24
Why is Venus the hottest planet in the Solar System?
It has thick clouds which trap heat from the Sun.
It's the closest to the Sun.
It has volanoes which release heat into the atmosphere.
Chemical reactions occur in its atmosphere which cause heat.
25
Which planet is this?
Uranus
Venus
Mercury
Neptune