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| 1 | |
Which planets have bigger densities? |
| | A) | The inner planets |
| | B) | The outer planets |
| | C) | The densities of the inner and outer planets are about the same |
| | D) | The densities of the inner and outer planets are too varied and do not have a pattern |
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| 2 | |
How many planets in our solar system have rings? |
| | A) | 1 |
| | B) | 2 |
| | C) | 3 |
| | D) | 4 |
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| 3 | |
If a comet were to fall into a solar system with two suns, which way would the tail point? |
| | A) | The tail would point behind the comet as it falls in toward the center of the solar system. |
| | B) | The tail would point halfway between the two suns. |
| | C) | Two tails would form, one pointing toward one sun and the other pointing toward the second sun. |
| | D) | Two tails would form, one pointing away from one sun and the other pointing away from the second sun. |
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| 4 | |
A "shooting star" is a |
| | A) | star that collides with another star and gets bumped out of position. |
| | B) | comet. |
| | C) | small piece of matter that falls into the earth's atmosphere. |
| | D) | star that explodes. |
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| 5 | |
The planet Mercury is difficult to see in the sky because |
| | A) | it is so small that it doesn't show up very well. |
| | B) | the sun's light tends to obscure it. |
| | C) | it is always behind the sun when we look at it. |
| | D) | it doesn't reflect sunlight very well. |
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| 6 | |
Venus is unique among the planets in that |
| | A) | it rotates backwards. |
| | B) | it revolves backwards. |
| | C) | it is closest to the sun. |
| | D) | you can only see it in the sky in the morning and the evening. |
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| 7 | |
Which statement is true about Mars? |
| | A) | It has two moons that are similar to the earth's moon. |
| | B) | It is about the same size as the earth. |
| | C) | It has a day that is about the same as the earth's. |
| | D) | It has a year that is about the same as the earth's. |
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| 8 | |
Asteroids |
| | A) | are only found in the Asteroid Belt between Mars and Jupiter. |
| | B) | present no danger to the earth or the other planets. |
| | C) | are all very small. |
| | D) | are sometimes the size of a moon. |
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| 9 | |
Galileo used a telescope to see four big moons around which planet? |
| | A) | Mars |
| | B) | Jupiter |
| | C) | Saturn |
| | D) | Pluto |
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| 10 | |
Assuming that they don't collide with one another, how do the particles that make up the rings of Saturn move? |
| | A) | They are stationary in space. |
| | B) | They move in circles. |
| | C) | They move in ellipses. |
| | D) | The rings of Saturn are solid and not made of particles. |
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| 11 | |
How many planets (excluding the earth) were discovered by observers on the earth without the aid of a telescope? |
| | A) | 4 |
| | B) | 5 |
| | C) | 6 |
| | D) | 7 |
| | E) | 8 |
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| 12 | |
Below is a sketch (not to scale, of course) of the sun, the earth, and the moon. Which position of the moon makes it possible to have a solar eclipse?
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| | A) | A |
| | B) | B |
| | C) | C |
| | D) | D |
| | E) | It is impossible to have a solar eclipse in any of these arrangements. |
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| 13 | |
Below is a sketch (not to scale, of course) of the sun, the earth, and the moon. For which position of the moon would it be possible for people on Earth to view a full moon?
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| | A) | A |
| | B) | B |
| | C) | C |
| | D) | D |
| | E) | It is impossible to view a full moon in any of these arrangements. |
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| 14 | |
What kind of eclipse is it possible to have when the alignment of the Sun, Moon, and Earth is as follows:
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| | A) | Solar |
| | B) | Lunar |
| | C) | Both solar and lunar |
| | D) | Neither solar nor lunar |
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| 15 | |
Which statement about the moon is TRUE? |
| | A) | When the moon goes through its phases, the dark part that we can't see is caused by the shadow of the earth. |
| | B) | The moon is very, very tiny compared to the earth. |
| | C) | The moon revolves at the same rate that it rotates. |
| | D) | The craters displayed on the moon's surface were caused by a fairly recent event. |
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