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Our subscribers' grade-level estimate for this page: 4th - 5th
Meteoroids, Meteors, and Meteorites:
Cloze Activity
Fill in the blanks below.
Answers
Word Bank:
shower
heat
brighter
meteor storm
meteorite
atmosphere
space
surface
rock
time
burns
meteor
shooting
Mars
asteroids

Meteoroids are small bodies that travel through _______________________. Meteoroids are smaller than asteroids; most are even smaller than a pebble. Meteoroids have many sources, but most come from asteroids that are broken apart by impacts with other _______________________. Other meteoroids come from our Moon, from comets, and from the planet _______________________.

A _______________________ is a meteoroid that has entered the Earth's atmosphere, usually making a fiery trail as it falls. It is sometimes called a _______________________ star or a falling star (but it is not a star). The friction between the fast-moving meteor and the gas in the Earth's atmosphere causes intense _______________________; the meteor glows with heat and then _______________________. Most meteors burn up before hitting the Earth. A fireball is any meteor that is _______________________ than Venus (magnitude -4). A meteor _______________________ is a phenomenon in which many meteors fall through the atmosphere in a relatively short _______________________ and in approximately parallel trajectories. A very intense meteor shower is called a __________________________________.

A _______________________ is a meteor that has fallen to the _______________________ of the Earth. These rare objects have survived a fiery fall through the Earth's _______________________ and have lost most of their mass during the trip. Meteorites are made of _______________________ and/or metals.


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