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| 1 | animals that eat both plants and animals. | 
 
 
| 2 | large body of salt water that surrounds a continent | 
 
 
| 4 | amount of light a star actually gives off; a measure of how bright a star would be if it were seen from a standard distance | 
 
 
| 6 | time required for the Earth to orbit once around the sun | 
 
 
| 9 | release or send out matter or energy | 
 
 
| 10 | layered lumps or balls of ice that fall from cumulonimbus clouds | 
 
 
| 14 | rare, very valuable and beautiful mineral | 
 
 
| 16 | natural satellite that revolves around a planet | 
 
 
| 18 | pattern of weather that occurs in a particular area over a long period of time | 
 
 
| 19 | flat platform formed at the base of a sea cliff as the sea cliff erodes | 
 
 
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