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Java Games: Flashcards, matching, concentration, and word search. |
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ES Regents Review Facts 1
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| uranium 238 | used to date old rocks |
| carbon 14 | used to date things that were once alive |
| red shift | proof that universe is expanding |
| main sequence stars | 90% of stars, inc. sun |
| millions of stars together | galaxy |
| inner 4, rocky, more dense | terrestrial planets |
| outer 4, gas giants | jovian planets |
| bottom rock layer | oldest |
| buried erosional surface | unconformity |
| need ____ seismometers to locate epicenter | three |
| go through both liquids and solids | P waves |
| go through only solids | S waves |
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Earth and Space Teacher |
Solanco High School |
| Quarryville, PA |
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