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Ch. 9-L1-Planets
Inner Planets-Mercury-Mars
Question | Answer |
---|---|
What is called the imaginary line that runs from the North to the South poles each inner planet rotates or spins around the sun? | The Axis |
What is called one complete orbit around another object, example is the Earth orbiting the sun? | A Revolution |
What are known as gigantic balls of very hot gases that give off radiation in outer space? | Stars |
What is the name of the star that warms the Earth and provides energy to all its inhabitants? | The Sun |
What are known as an explosive eruption of waves and particles that shoot out from a star, but are pulled back due to its gravity? | A Solar Flare |
What are known as a group of stars that forms patterns in outer space from Earth? | Constellations |
What are the names of the 4 inner planets that are closest to the sun? | Mercury, Venus, Earth, Mars |
What planet is the closest to the Sun? | Mercury |
How long does it take Mercury to rotate around the Sun once? | 88 days to rotate around the Sun |
How long does it take Mercury to rotate on its axis? | 59 days to rotate on its axis |
How long does it take Venus to rotate around the Sun once? | 225 days to rotate around the Sun |
How long does it take Venus to rotate on its axis? | 243 days to rotate on its axis |
How long does it take Earth to rotate around the Sun once? | 365 1/4 days to rotate around the Sun |
How long does it take Earth to rotate on its axis? | 24 hours |
How long does it take Mars to rotate around the Sun once? | 687 days to rotate around the Sun |
How long does it take Mars to rotate on its axis? | 24.6 hours |
How many moons does Mars have orbiting it? | 2 moons |
What are the name of the two moons that Mars has? | Phobos and Deimos |
Which of Mars' two moons has an odd shape that looks like a football? | Deimos |
What are the 4 seasons that both the Earth and Mars have in their planets? | Winter, Spring, Summer, & Autumn (FALL) |
What else does Earth and Mars also have in common about their planets? | Both have Northern and Southern ice caps |
What is another name that was given to the planet of Mars? | The Red Planet |
When it is summer time in the Northern Hemisphere on the Earth, what is the season in the Southern Hemisphere? | Winter time |
When it is Autumn (FALL) in the Northern Hemisphere on the Earth, what is the season in the Southern Hemisphere? | Spring time |
When it is winter time in the Northern Hemisphere on the Earth, what is the season in the Southern Hemisphere? | Summer time |
When it is spring time in the Northern Hemisphere on the Earth, what is the season in the Southern Hemisphere? | Autumn (FALL) |