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dino912

'' Why did the dinosaurs disappear ?''

QuestionAnswer
extinct no longer living or existing.
tyrannosaurs large dinosaurs with small forelimbs and large heads.
brachiosaurs big dinosaurs with long necks, nostrils above the eyes, and forelegs longer than hind legs.
stegosaurus a dinosaur with a short neck, a small head, and long hind legs.
triceratops a dinosaur with a horn above each eye and a horn on its nose.
rift an opening caused by splitting, a narrow crack in rock.
continents the seven main land areas on the earth.
ancient very old.
minerals substances formed in the earth by nature.
geologists scientists 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,odorless gas that makes up about four fifths of the atmosphere. All plants and animals need nitrogen.
oxygen a colorless,odorless,tasteless gas. It is needed for animals and plants to live.
argon a colorless,odorless gas that makes up about one percent of the earth's atmosphere.
carbon dioxide a colorless, odorless gas that is composed of carbon and oxygen and does not burn. It is produced when animals breathe and when fuel containing carbon burns.
methane a colorless and odorless gas that burns easily used a s fuel.
radiation the process of giving off energy in rays or waves.
meteorologists scientists who study the atmosphere
absorb to take in and become part of
equations mathematical statements to show that two things are equal
fertile able to produce crops, rich
economies the managing of money and materials
informed aware and knowledgeable
Created by: jkaramt
Popular Earth Science sets

 

 



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