unit 5 midterm review
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| what is a spinoff? | technology developed in space program that now has common commercial uses
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| most commonly held theory on the origin of moon | impact theory- a mars sized object 4.5 billion years ago. materials ejected into space, joined together and become the moon.
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| electromagnetic spectrum from longest to shortest | radio waves, microwaves, infrared, visible, uv, xrays, gamma
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| wavelength and frequency | wavelength -the distance from the crest of one wave to the crest of the next wave.
frequency-the # of vibrations or waves that pass a point per second.
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| major lunar landforms |
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| plane of earths orbit? | ecliptic
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| identify the moons phases |
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| what causes the earth to have seasons | earths rotation
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| spring equinox | 12 hrs day 12 hrs night. equal light everywhere on earth. sun directly overhead at equator.
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| summer solstice | 16 hrs day 8 hrs night. sun directly overhead of tropic of cancer.
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| winter solstice | 10 hrs day 14 hrs night. sun directly overhead of tropic of cancer.
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| autumn equinox | .12hrs day 12 hrs night. equal light everywhere on earth. sun directly overhead at equator.
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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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