6th Grade Science
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| a description of the solar system in which all of the planets revolve around Earth | geocentric system
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| process by which heat is trapped in the atmosphere by water vapor, carbon dioxide, methane, and other gases that form a "blanket" around the earth | greenhouse effect
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| the name given to the first four outer planets: Jupiter, Saturn, Uranus, and Neptune | gas giants
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| the region of the solar system between the orbits of Mars and Jupiter, where many asteroids are found | asteroid belt
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| objects revolving around the sun that are too small and too numerous to be considered planets | asteroids
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| the middle layer of the sun's atmosphere | chromosphere
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| a ball of ice and dust whose orbit is a long, narrow ellipse | comet
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| the central part of the sun, where nuclear fusion occurs | core
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| the outer layer of the sun's atmosphere | corona
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| an elongated circle, or oval shape; the shape of the planets' orbits | ellipse
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| the tendency of a moving object to continue in a straight line or a stationary object to remain in place | inertia
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| a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere | meteor
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| a meteoroid that has hit Earth's surface | meteorite
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| a chunk of rock or dust in space | meteoroid
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| the spinning motion of a planet from east to west, opposite to the direction of rotation of most planets and moons | retrograde rotation
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| the combining of two atomic nuclei to produce a single larger nucleus as when two hydrogen atoms join together to form helium, releasing energy | nuclear fusion
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| a dark, cooler region on the surface of the sun | sunspot
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| a loop of gas that protrudes from the sun's surface, linking parts of sunspot regions | prominence
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| an explosion of hydrogen gas from the sun's surface that occurs when loops in sunspot regions suddenly connect | solar flare
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| a stream of electrically charged particles produced by the sun's corona | solar wind
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| the name given to the four inner planets: Mercury, Venus, Earth & Mars | terrestrial planets
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| the spinning motion of a planet about its axis | rotation
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| the movement of an object around another object | revolution
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| a large planetary system that consists of a combination of many smaller planetary systems and objects | solar system
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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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.
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:
Triana Silliman
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