1. What causes the phenomenon known as a "shooting star"?
A. a nearby star plummets into a black hole
B. an asteroid collides with another larger body
C. a comet travels through the solar system
D. a meteor burns up in the Earth's atmosphere
2. Assume that aliens dragged the planet Mars to half its present distance from the Sun. Which of the following would most likely happen?
A. The Martian day would decrease in length
B. The Martian year would decrease in length
C. The Martian day would increase in length
D. The Martian year would increase in length
3. Which of the following has the greatest influence on the tides of the Earth's oceans?
A. the amount of rainfall on a given day
B. the alignment of the planets
C. the position of the Moon relative to the Earth
D. the amount of sunlight striking the Earth
4. An object hurtles through space. It is mostly dust and rocks held together by different types of ice. What is this object?
A. asteroid
B. comet
C. Earth
D. meteoroid
5. Which of the following statements is correct?
A. The moon rotates around the Earth, while the Earth rotates around the Sun.
B. The moon revolves around the Earth, while he Earth revolves around the Sun.
C. The Earth rotates around the moon, while the Moon rotates around the Sun.
D. The Earth revolves around the Moon, while the Moon revolves around the Sun.
2007-04-16
07:21:26
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6 answers
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asked by
Anonymous