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dinos 2
"Why did the Dinos Disappear?"
| Question | Answer |
|---|---|
| brachiosaurs | big dinos with long necks, nostrils above the eyes, and forlegs longer than hind legs |
| stegosaurus | a dinosour with a short neck,small head,and long hind legs. |
| triceratops | a dinosour with a horn above each eye and horn on its nose. |
| tyrannosaurs | large dinosour with small forelimbs and large heads. |
| extinct | no longer living or existing. |
| paleontologist | scientist who study forms of life existing in preostoric times. |
| migrated | moved from one reigon to another. |
| adapt | to change to fit new conditions. |
| pterosaur | an extinct flying reptile. |
| astreoid | one of the thousand small planets that orbit the sun. |
| eruption | a sudden,violent bursting |
| geology | the study of the earth |
| iridium | a hard and brittle metal. |
| rift | an opening caused by splitting a narrow crack in rock |
| continents | th seven main land areas on earth |
| ancient | very old |
| minerals | substance formed in the earth by nature |
| geologists | scientist who study the origin history and structure of the earth |
| molten | melted by heat |
| convection | the transfer of heat by motion especially an upward motion |
| atmosphere | all the air around us |
| climate | the usual weather that occurs in a place,including the average temperature and average amounts of rain or wind |
| average | typical or usual level |
| nitrogen | a colorless,odderless gas that makes up about four fifths of the atmosphere.all plants and animals need nitrogen |
| oxygen | a colorless,oderless,tasteless gas it is needed for animals and plants to live |
| arogan | a colerless,oderless gas that makes up about one persent of the earth's atmosphere |
| carbon dioxide | a colorless, odderless gas that is composed of carbon and oxygen and does not bburn. it is produced when animals breathe and when fuel containing carbon burns |
| methane | a colerless odorless gas that burn easily used as fuel |
| radition | the process of giving off energy in rays or waves |
| meterorologists | scientists who study the atmosphere |
| absorb | to take in and become part of |
| equations | mathmatical statements to show that 2 things are equal |
| fertile | able to produce crops; rich |
| economies | the maniging of money and materials |
| informed | aware; knowledgeable |