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52 Cards in this Set
- Front
- Back
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Is Mercury bigger or smaller than Earth?
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Mercury is three times smaller than Earth.
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In Earth time, how long is a day on Mercury?
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1 Mercury Day = 59 Earth Days
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In Earth time, how long is a year on Mercury?
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1 Mercury Year = 88 Earth Days.
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What material is Mercury mainly made of?
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Iron
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How many moons revolve around Mercury?
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Zero
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Mercury is the ____________ planet from the Sun.
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First
1st |
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Venus is the ____________ planet from the Sun.
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Second
2nd |
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Compare the size of Venus to that of Earth.
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Venus is the same size as Earth.
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In Earth time, how long is a day on Venus?
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1 Day On Venus = 243 Earth Days.
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In Earth time, how long is a year on Venus?
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1 Year on Venus = 225 Earth Days.
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What material is Venus composed of?
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Rock
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How many moons revolve around Venus?
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Zero.
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Earth is the ________ Planet from the Sun.
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Third
3rd |
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How long is a day on Earth?
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24 hours
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How long is a year on Earth?
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365 ¼ days
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What material is Earth composed of?
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Rock
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How many moons revolve around the Earth?
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One
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Mars is the ________ Planet from the Sun.
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Fourth
4th |
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Compare the size of Mars to that of the Earth.
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Mars is ½ the size of the Earth.
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In Earth time, how long is a day on Mars?
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1 Mars day is NEARLY equal to one day on the Earth.
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What material is Mars composed of?
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Rock.
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How many moons revolve around Mars?
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Two
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Jupiter is the _______ Planet from the Sun.
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Fifth
5th |
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Compare the size of Jupiter to that of the Earth.
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Jupiter is 11 times larger that the Earth.
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In Earth time, how long is a day on Jupiter?
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1 Jupiter day = 10 Earth Hours
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In Earth time, how long is a year on Jupiter?
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1 Jupiter year = 12 Earth Years
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Jupiter is composed of what material?
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Gas
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How many moons revolve around Jupiter?
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16 Moons
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Saturn is the ______ Planet from the Sun.
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Sixth
6th |
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Compare the size of Saturn to that of the Earth.
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Saturn is 9 times bigger than the Earth.
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In Earth time, how long is a day on Saturn?
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1 Saturn Day = 10 Earth Hours
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In Earth time, how long is a year on Saturn?
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1 Saturn Year = 30 Earth Years
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What material is Saturn composed of?
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Gas
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How many moons revolve around Saturn?
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18 Moons
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Uranus is the ______ Planet from the Sun.
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Seventh
7th |
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Compare the size of Uranus to that of the Earth.
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Uranus is 4 times larger than the Earth
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In Earth time, how long is a day on Uranus?
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1 Day on Uranus = 17 Earth Hours
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In Earth time, how long is a year on Uranus?
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1 year on Uranus = 84 Earth Years
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Of what materials is Uranus composed of?
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Gases, Rock and Ice
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How many moons revolve around Uranus?
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15 Moons
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Neptune is the ______ Planet from the Sun.
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Eighth
8th (sometimes the 9th planet when it swaps with Pluto) |
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Compare the size of Neptune to that of the Earth.
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Neptune is 4 times larger than the Earth.
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In Earth time how long is a day on Neptune?
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1 Neptune Day = 16 Earth Hours
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In Earth time, how long is a year on Neptune?
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1 Neptune year = 165 Earth Years
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What materials is Neptune composed of?
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Rock & Gas
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How many moons revolve around Neptune?
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8 Moons
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Pluto is the ______ Planet from the Sun.
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Ninth
9th (sometimes the 8th planet when it swaps with Neptune) |
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Compare the size of Pluto to that of the Earth.
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Earth is 5 times larger than Pluto.
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In Earth time, how long is a day on Pluto?
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1 day on Pluto is LONGER than 6 Earth Days.
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In Earth time, how long is a year on Pluto?
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1 Pluto Year = 249 Earth Years
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What materials is Pluto composed of?
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Rock & Ice
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How many moons revolve around Pluto.
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One Moon: Charon
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