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science
moon
| Question | Answer |
|---|---|
| earth? | the largest terrestrial planet. land continuously changing. water covers 70-75%. the earth is tilted on its axis at 23.5 degrees. tropic of cancer, tropic of Capricorn |
| rotation? | the earth rotates on its axis in a counter clockwise direction at a speed of 1,000 mph (1600 kmh) this causes day and night (24 hours) |
| revolution? | the earth travels around the sun in an oval shaped path (elliptical orbit) year, 364 1/4 days. last year |
| perihelion? | closest point to sun. Jan 3rd (147,000,000 miles away) |
| aphelion? | farthest point from the sun. July 4th (152,000,000 miles away) |
| what causes seasons? | the movement of earth around the sun nd the tilt of the earth on its axis |
| how are the sun's rays in the summer? | more direct and . more daylight. north pole points towards the sun |
| summer solstice? | 1st day of summer June 21 or 22 *15 hours of daylight and 9 hrs of darkness |
| winter solstice? | 1st day of winter. dec. 21. 9 hrs of daylight and 15 hours of darkness. |
| fall equinox? | 1st day of fall sep. 22 or 23. 12 hours of daylight and 12 hours of darkness |
| vernal equinox? | 1st day of spring. march 21 or 22. 12 hours of daylight and 12 hours of darkness. |
| umbra? | inner part of the shadow . does not allow any light to pass through |
| umbra? | outer part of the shadow. allows partial light to pass through |
| moon characteristics? | 1/4 the diameter of earth 1/6 the gravity of earth moon has 3,000 quakes per year same age as earth (4.5 billion) no atmosphere, weather, or water hotter 134 and colder -170 than earth gravity force of attraction. based on mass. higher mass, higher |
| highlands? | lunar mountains, light areas reflect light |
| maria? | "sea of tranquility". low area on moon. dark |
| riles? | deep channels like dried river beds |
| craters? | bowl shaped depressions. 4 billion years ago |
| tycho and copernicus | largest craters on moon. no atmosphere to burn up meteors. |
| elliptaical orbit? | tiled 5 degrees |
| perigee | closest to earth |
| apogee | farthest from earth |
| revolves in what motion? | counter clockwise motion. |
| revolves around earth every ? | 29 1/2 days |
| origins of moon? | captured same cloud asteroid |
| why does the moon shine? | it reflects light of the sun. does not produce own light |
| what is the moon phases dependent upon? | the positon of the moon in relationship to the earth and sun |
| the moon rises blank minutes every day? | 50 minutes |
| sputnik? | first artificial satellite in space. Russia. 1957 |
| explorer 1? | first u.s. satellite in space |
| yuri Gagarin? | first human in space. Russian cosmonaut. 1961. |
| NASA? | national aeronautics and space administration |
| project mercury | step one of the U.S. space program. orbit piloted space craft around earth. |
| alan shepard? | first American citizen in space. |
| John Glenn? | first U.S. citizen to orbit earth |
| project gemini? | step two in our space program. pace connection. gather info. and land on moon |
| Apollo project? | third and final step in the space program . send a man to the moon |
| Apollo missons, how many? | 17 |
| Apollo 11? | first to take a man to the moon |
| Apollo 13? | did not land on the moon |
| Apollo 17? | last mission to be on the moon. dec. 1972 |
| Apollo 1? people and date | jan. 27, 1967. Gus Grimson, Ed white, Roger Chaffee died during a test on the landing pad. |
| who walked on the moon first? date? | july 20, 1969. buz Aldrin, neil Armstrong, and mike collins |
| Jack Schmitt? | one of the last men on moon. Apollo 17. |
| how many men walked on moon | 12 |
| how many golf balls are on moon | 3 |
Created by:
catanddog
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