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dino studies

why did the dinosaurs disappear?

QuestionAnswer
Extinct No longer living or existing.
Brachiosaurs Big dinosaurs with long necks, nostrils above the eyes, and fore legs longer than the hind legs.
Stegosaurus A dinosaur with a short neck, small head, and long hind legs.
triceratops A dinosaur with a horn above each eye and a horn above its nose.
Tyrannosaurs Large dinosaurs with small forelimbs and large heads.
Paleontologists Scientists who study forms of life existing in prehistoric times.
Migrated Moved from one region to another.
Adapt To change to fit new conditions.
Pterosaur An extinct flying reptile.
Asteroid One of the thousands of small planets that orbit the sun.
Eruption A sudden, violent bursting.
Geology The study of the origin of the earth.
Iridium A hard and brittle metal.
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.
Geoligists 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 and/or wind.
Average Typical or usual level.
Nitrogen A colorless, odorless gas that that makes up about four fifths of the atmoshere.
Oxygen A colorless, odorless,tasteless gas. It is needed for animals and plants to live.
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 containing carbon burns.
Methane A colorless and odorless gas that burns easily; used as fuel.
Radiation The process of giving off energy in rays or waves.
Created by: Aadamst
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