7th grade final
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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| geocentric | the discredited theory of the arrangement of the solar system that places the earth at the center with the sun and the planets orbiting the earth
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| heliocentric | any theory of the arrangement of the solar system that places the sun and the center with the earth and the other planets in orbit around it
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| inertia | the tendency of all objects in the universe to remain at rest if initially at rest if moving, to continue moving at the same speed and in the same direction unless acted upon by some outside force
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| ecliptical | the apparent path of the sun among the stars also it is the plane of the earth's orbit
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| equinox | either of two days during a year when the sun's noon position is directly above the equator
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| Milky Way | the galaxy that contains our solar system
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| wavelengths | the horizontal distance from one wave crest to the next wave crest
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| magnitude | measure of the brightness of a star a measure of the amount of energy released by an earthquake
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| refractor | a telescope that uses only lenses to concentrate the light from an object and focus it into an image
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| Hubble Space Telescope | an astronomical reflecting telescope placed in Earth orbit by the space shuttle in 1990. The HST has provided amazing images of the universe that have changed the course of astronomy
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| composite | a telescope that uses both a primary mirror and a large objective corrective lens as the main light-gathering elements of t6he telescope
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| galaxy resolution |
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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.
To hide a column, click on the column name.
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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.
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:
kbenaske
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