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ReviewAstronTest
Review for Astronomy Test for Mrs. Hagan
Question | Answer |
---|---|
One Complete revolutin of EArth around the sun takes about ____________________ | One Year (365 1/4 Days) |
Which of these planets is farthest from the sun? Venus, Mars, Saturn, Jupiter | Saturn |
The two factors that combine to keep the planets in orbit are ________________. | Gravity & Inertia |
The sun provides ____________ for our solar system. | Energy |
The great red spot is found on ____________. | Jupiter |
________________ has the most complex ring system made of hundreds of ringlets. | Saturn |
Which of the following planets is least like the others listed in composition (what it is made of)? Neptune, Mars, Uranus, Saturn | Mars |
_______________ is the farthest planet from the sun. | Neptune |
Venus and Earth are much alike in terms of __________. | Size & density |
The planet closest to the sun is ___________. | Mercury |
Planets _____________ arouond the sun. | revolve |
What solar features can increase the solar wind, sometimes causing electrical power problems on Earth? | solar flares |
The second planet to the sun is ___________. | Venus |
What do all the inner planets have in common? | They are small and have rocky surfaces. |
Planetary orbits are shaped like ___________. | Ellipses |
The ________________ is the major source of solar system energy. | Sun |
_________________ are caused by EArth's rotation on its axis. | Day and night |
Earth has __________ because Earth's axis is tilted as it moves around the sun | seasons |
Earth is unique among the planets because of its ___________. | oceans |
Earth's rotation takes about _________. | 24hours |
__________ link different parts of sunspot regions together. | Solar prominences |
_____________ of a planet is best described as spinning on its axis | Rotation |
The sun produces energy by _________. | nuclear fusion |
Water is a solid, liquid and gas on ___________. | Earth |
What layer are you looking at when you look at a photograph of the sun? | Photosphere |
The solar wind is a stream of electrically charged particles produced by the sun's _________. | Corona |
When compared to the gases around them on the sun, ___________ are cooler. | Sunspots |
Two planets with similar mass and size are _______. | Venus & Earth |
When the north end of the EArth's axis is tilted toward the sun, North America will experience __________________. | More direct rays and longer days |
Uranus is different from most other planets because it ___________. | rotates on its side |
Methane gives _____________ their blue-green color. | Uranus & Neptune |
What do the outer planets have in common? | They are much larger than EArth and are made mostly of gases. |
Two of the inner rocky planets are ____________. (Hint: One is now the smallest planet and they begin with the same letter.) | Mercury & Mars |
This is the smallest planet. | Mercury |