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dino1997
"Why did the dinosaurs disappear?"
| Question | Answer |
|---|---|
| extinct | no longer living or existing |
| brachiosaurs | big dinosaurs with long necks, nostrils above the eyes, and forelegs longer than 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 on 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 1 region to another |
| adapt | to change to fit new conditions |
| pterosaur | an extinct flying reptile |
| asteriod | 1 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 |
| species | groups of the plants or animals that are alike in some way |
| rift | an opening caused by splitting; a narrow crack in the 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 |
| molton | 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 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 earths 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, odorless gas that burns easily; used as fuel |
| radiation | the process of giving off energy in rays or waves |
Created by:
Cvenegonit
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