Here are some basic terms used for describing craters.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Anorthosite | Rock of aluminum and silicates found on the moon.
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Asteroid | Small, rocky world. Most asteroids are between the orbits of Mars and Jupiter.
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Breccia | Rock made from pieces of rocks formed earlier.
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Carbonaceous Chondrite | Stony meteorite containing chondrules and volatiles.
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Chondrite | A stony meteorite containing chondrules.
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Chondrule | Round, glassy part of meteorite made from silicates.
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Ejecta | Pulverized rock scattered by impacts on an object's surface.
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Mare | Lava flows on the surface of the moon. Plural, maria.
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Meteor | Small rocks or sand making a bright trail through the sky as it burns in the atmosphere.
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Meteorite | A meteor that has landed on the Earth.
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Rays | Ejecta from impacts that spreads out away from a crater.
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Rilles | Channels in the lunar surface.
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Volatiles | Carbon compounds, frozen gas and other materials that when heated vaporize.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
chotik1
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