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Erdy's Puzzle 4th period
10
Geology : a science that deals with the history of the earth as recorded in rocks
Andesite : a dark grey volcanic rock
Arc : a continuous portion of a circle or something curved in shape
Extinct : no longer in existence or lost or especially having died out leaving no living representatives or permanently inactive
Seamount : An underwater mountain rising above the ocean floor
Dacite : a grey volcanic rock containing plagioclase and quartz and other crystalline minerals
Plate : a rigid layer of the Earth’s crust that is believed to drift slowly
Marianas Trench : long, very deep valley between the Pacific and the Philippine plate
Dormant : Not erupting and not extinct
StrikeSlipFault : a geological fault in which one of the adjacent surfaces appears to have moved horizontally
Erdy's Puzzle 4th period
Across:3. | a science that deals with the history of the earth as recorded in rocks | 5. | a dark grey volcanic rock | 7. | long, very deep valley between the Pacific and the Philippine plate |
| 8. | no longer in existence or lost or especially having died out leaving no living representatives or permanently inactive | 9. | An underwater mountain rising above the ocean floor |
| | Down:1. | a grey volcanic rock containing plagioclase and quartz and other crystalline minerals | 2. | a rigid layer of the Earth’s crust that is believed to drift slowly | 4. | Not erupting and not extinct |
| 5. | a continuous portion of a circle or something curved in shape | 6. | a geological fault in which one of the adjacent surfaces appears to have moved horizontally |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only
Erdy's Puzzle 4th period
Across:3. | a science that deals with the history of the earth as recorded in rocks | 5. | a dark grey volcanic rock | 7. | long, very deep valley between the Pacific and the Philippine plate |
| 8. | no longer in existence or lost or especially having died out leaving no living representatives or permanently inactive | 9. | An underwater mountain rising above the ocean floor |
| | Down:1. | a grey volcanic rock containing plagioclase and quartz and other crystalline minerals | 2. | a rigid layer of the Earth’s crust that is believed to drift slowly | 4. | Not erupting and not extinct |
| 5. | a continuous portion of a circle or something curved in shape | 6. | a geological fault in which one of the adjacent surfaces appears to have moved horizontally |
| |
© 2013
PuzzleFast.com, Noncommercial Use Only