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65 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Geocentric model |
Earth is at the center of the revolving planets and stars |
Geo = Earth |
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Heliocentric Model |
Earth and the other planets revolve around the sun. |
Heli = Sun |
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Who 1st worked out the arrangement of the known planets? |
Copernicus |
"C" comes 1st |
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Who proved that the heliocentric method was correct??? |
Galileo Galile |
G G = Great |
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What discoveries were made to support the heliocentric method |
There are four moons around Jupiter which proves that not everything revolves around earth also that Venus goes through a series of phases similar to the Moon Venus would not have a full set of phases of everything Circle door therefore the geocentric model is wrong |
Moons and phases |
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What did Kepler find out about the orbit of each planet |
The orbit of each planet is an ellipse |
Somewhat of an oval |
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What makes up the solar system |
Our solar system consists of the Sun the planets their moons in a variety of smaller objects |
Objects in space |
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From what did the solar system form |
Scientists think the solar system formed from a cloud of hydrogen helium Rock ice and other materials put together by gravity |
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When was the solar system formed |
4.6 billion years ago |
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Dwarf planet |
An object that orbits the sun and the spherical but hasn't cleared the area of its orbit |
Pluto |
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Astronomical unit |
The unit of distance equal to the average distance between Earth and the Sun about 150 million kilometers |
Earth to Sun |
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Solar system |
The system consisting of the sun and the planets and other objects that revolve around it |
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Planetismal |
One of the small astroid like bodies that formed the building blocks of the planets |
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Planet |
An object that orbits a star is large enough to have become rounded by its own gravity and has cleared the area of its orbit |
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What is the difference between rotation and Revolution |
Rotation is when an object is spinning on its axis well Revolution is when an object goes around another object |
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What are the inner planets made of |
Mostly made of rock and Metal |
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What are the outer planets made of |
Mostly made of gas and liquid |
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What is a natural satellite |
A moon |
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Which two planets do not have natural satellites |
Mercury and Venus |
Close to the Sun |
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What percentage of the mass of the solar system is contained in the Sun |
About 99% of the mass of the solar system is contained within the Sun |
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True or false? The four gas giants are Pluto, Neptune, Saturn, Uranus |
False |
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True or false? There's an obvious point where the atmosphere ends and the surface begins on a gas giant |
False |
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True or false? The solar system formed from a nebula |
True |
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True or false? The sun claimed 50% of the Solar System's matter when it formed |
False it was 99% |
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True or false? Jupiter is named after Roman mythical King |
Truth |
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True or false? Jupiter has tan and brown bands |
Truth |
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True or false? The Great Red Spot is located on Saturn |
False |
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True or false? Gas giants revolve around the sun faster than terrestrials |
False |
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True or false? Saturn's rings are made from dust and ice |
True |
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True or false? Uranus maintains the same temperature throughout the entire planet |
False |
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True or false question mark all planets become denser towards the middle |
True |
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True or false? Neptune rotates rapidly on its axis |
Truth |
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True or false? Neptune's gravitational pull affect the speed that Uranus moves |
True |
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True or false? Perturbence is a name for an asteroid |
False |
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True or false? There is a small Gap in space between the terrestrials and the gas giants |
False |
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True or false? Terrestrial means Earth |
True |
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True or false? Mercury the longest of all planets to revolve around the Sun |
False |
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True or false? mercury has a smooth surface |
False |
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True or false? Venus is the hottest |
True |
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True or false? The greenhouse effect happens when he is trapped inside a planet's atmosphere |
Truth |
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True or false? Venus rotates on its axis and lyric to the way Earth rotates on its axis |
False |
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True or false Venus has thick clouds of sulfuric acid |
True |
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True or false Mars has the largest volcano in the solar system |
True |
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True or false Mars is colored blue |
False |
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True or false Mars has frozen water |
Truth |
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True or false Mars takes 50,000 years to rotate on its axis |
True |
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True or false the four inner planets are Mercury, Mars, Earth, and Saturn |
False |
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Mars is the only planet that an unnamed spacecraft has successfully landed and explored |
True |
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Is Pluto a gas giant |
No |
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Which is not a characteristic |
A |
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The solar system formed from what? |
A nebula |
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Which planet is the largest of the nine planets |
Jupiter |
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Neptune affects which planet orbits the most |
Uranus |
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Question 7 |
D |
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Which gas giant is farthest from the Sun |
Neptune |
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Do gas giants have atmospheres that are thousands of miles / kilometer thick |
Yes |
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Is the Sun an inner planet |
No |
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What is the smallest planet |
Mercury |
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Which planet orbits the Sun the fastest |
Mercury |
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Which planet has a surface that changes constantly |
Earth |
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What can make a planet's surface change |
Erosion and moving plates |
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What is necessary for a planet to have the greenhouse effect |
An atmosphere |
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What planet rotates the slowest on its axis |
Venus |
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Which planet is the most similar to Earth |
Mars |
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What is another name besides outer planets that identifies Mercury, Venus, Earth, and Mars |
Gas giant |
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