unit 5 mreview Word Scramble
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| Question | Answer |
| what is a spinoff? | technology developed in space program that now has common commercial uses |
| 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. |
| electromagnetic spectrum from longest to shortest | radio waves, microwaves, infrared, visible, uv, xrays, gamma |
| 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. |
| major lunar landforms | |
| plane of earths orbit? | ecliptic |
| identify the moons phases | |
| what causes the earth to have seasons | earths rotation |
| spring equinox | 12 hrs day 12 hrs night. equal light everywhere on earth. sun directly overhead at equator. |
| summer solstice | 16 hrs day 8 hrs night. sun directly overhead of tropic of cancer. |
| winter solstice | 10 hrs day 14 hrs night. sun directly overhead of tropic of cancer. |
| autumn equinox | .12hrs day 12 hrs night. equal light everywhere on earth. sun directly overhead at equator. |
Created by:
dk7
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