Earth Sci Ch5

Test Description: Ch5

Instructions: Answer all questions to get your test result.

1) starlike object

2) asteroid

3) a group of asteroids not located in the orbit between Mars and Jupiter

4) a small body of rock and ice with a very eccentric orbit around the sun

5) the nucleus and coma of a comet

6) the relatively dense central part of a comet's head

7) the region of glowing gas that surrounds the nucleus of a comet

8) the long streamer behind the head of a comet

9) the gas pushed away from a comet in a nearly straight stream by the solar wind

10) the dust pushed away from a comet in a curved stream by the pressure of sunlight

11) a comet that keeps returning because of an elliptical orbit

12) the path pf a comet that only passes around the sun once

13) a mass of stone or metal that orbits the sun and which can become a meteor if it enters the earth's atmosphere

14) a mass of stone or metal that enters the earth's atmosphere from space and glows as it falls through the atmosphere; a shooting star

15) another name for a meteor

16) a large, brilliant meteor

17) a large meteor that explodes into many smaller ones

18) enter the earth's orbit from random directions and visible at any time of the year

19) enter the earth's atmosphere from an orbit that intersects the eath's orbit

20) enters the earth's atmosphere and strikes the ground


*select an answer for all questions

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