Millions of small ____ strike the earth yearly and break up into water ____. Some scientists believe that they are the source of ____ in Earth’s ocean and ____. Asteroids crossing the earth’s path will either be ____ or detonated. Most asteroids are found in the ____, a region between ____. Asteroids are classified according to their composition. It comes with an initial CSM. The first discovered asteroid was named ____. Sometimes, an asteroid collides with another asteroid. Small pieces of it break off. These small pieces or fragments are called ____. If a meteoroid comes close enough to the Earth's atmosphere, it is pulled by the Earth’s ____. It burns, vaporizes, and turns into a ____. A meteor is a streak of light in the sky caused by a meteoroid crashing through Earth’s atmosphere. It is commonly called a ____. Sometimes a meteor is large to be completely burned or vaporized during its travel towards the Earth. Its remnant falls on the ground. That remnant is called a ____.

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