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Java Games: Flashcards, matching, concentration, and word search. |
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7th Grade Science--Sedimentary Rock 10
Match
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| A | B |
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| stratified | have layers or stripes |
| evaporation | Water changes to vapor and leaves solids to form rocks (Rock Salt). |
| clastic rock | made by rock pieces |
| chemical rock | made by evaporation & precipitation (dripping) |
| organic rock | made by remains of plants & animals |
| compaction | press together |
| examples of chemical rock | geodes, limestone, halite |
| examples of organic rock | limestone, chalk, peat |
| cementation | make hard |
| deposition | Small rock pieces are drpped in a new place. |
| sedimentary rock | Rocks made by small rock pieces pressed and cemented togethre over many years (erosion, deposition, compaction & cementation) |
| examples of clastic rock | conglomerate, sandstone, shale |
| sediments | small rock pieces |
| precipitation | Solids from a solution |
| law of horizontality | Sediments are deposited in layers. |
| law of superposition | Each layers of sedimentary rock is older than the layer above it. The oldest layer is on the bottom. |
| unstratified | no layers or stripes |
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Chinese Bilingual Teacher, grades 6 to 12 |
West Windsor-Plainsboro High School South / Community Middle School |
| Princeton Jct., NJ |
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