3 Written questions
2 Multiple choice questions
- a mass of stone or metal that has reached the earth from outer space; a fallen meteoroid.
- any of the small bodies, often remnants of comets, traveling through space: when such a body enters the earth's atmosphere it is heated to luminosity and becomes a meteor.
2 True/False questions
Comet → a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and gas that may form a tail that streams away from the sun.
meteor → a meteoroid that has entered the earth's atmosphere.