| Questions | Answers |
|---|
| Precambrian-Cambrian? | |
| Permian-Triassic? | |
| Triassic-Jurassic? | |
| Jurassic-Cretaceous? | |
| Cretaceous-Paleocene? | |
| break or gap in the rock record? | |
| downward thrusting of ocean floor? | |
| mid-ocean rifts and continental rifts? | |
| faults terminating at offset ridges? | |
| solid nickel and iron? | |
| liquid iron and oxygen? | |
| semisolid, composed mainly of olivine? | |
| zone of weakness in upper mantle? | |
| rigid outer shell of mantle? | |
| granite-diorite composition, 30-50 meters thick? | |
| 5 kilometers thick, basalt? | |
| medium to coarse grained, visible crystals, igneous? | |
| fine grained, extrusive, dark, from hot spots or ocean ridges, igneous? | |
| what rock type are granite and basalt?? | |
| | Questions | Answers |
|---|
| medium to coarse grained, shiny dark platy micas visible, metamorphic? | |
| recrystallized limestone, commonly white or pale, metamorphic? | |
| welted quartz, concoidal fracture, metamorphic? | |
| what rock type are schist, marble, and quartzite? ? | |
| tiny fused pebbles, sedimentary? | |
| commonly quartz, fine sized grains, sedimentary? | |
| fine, easily splits in to slabs, chalky, sedimentary? | |
| hard, silica precipitate, varied colors, sedimentary? | |
| usually white, gray, yellow; visible crystals; sedimentary? | |
| vitreous, concoidal fracture, mineral? | |
| flaky, black, common in granite, mineral? | |
| clear white, mineral, looks like quartz but softer? | |
| 'desert rose', soft clear crystals? | |
| reddish-brown coating on fossils? | |
| green-black mineral, often in granite? | |
| flaky, tinted-clear mineral? | |
| fool's gold? | |
| hard, clear, concoidal fracture mineral? | |
| pink, cleavage, common in granite mineral? | |
|
The Nine Planets 
Digits of Pi 
Multiplication Table
