Sedimentary Rocks
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Transcript of Sedimentary Rocks
1. Liquid rock that is below the Earth’s surface is called .A. lava B. magmaC. minerals D. igneous
2. Igneous rocks form from .A. fire B. other rocksC. melted minerals D. dirt
3. Igneous rocks that cool slowly, like granite, have crystals.A. small B. noC. large D. a lot of
4. Igneous rocks that cool quickly, like basalt, have crystals.A. small B. noC. large D. a lot of
5. Igneous rocks that cool extra fast, like pumice, have crystals.A. small B. noC. large D. a lot of
ReviewReview Igneous rocksIgneous rocksSlow cooling = large Slow cooling = large crystalscrystals
Fast cooling = small crystalsFast cooling = small crystalsExtremely fast = no crystals Extremely fast = no crystals or frothyor frothy
Sedimentary Sedimentary RocksRocks Rocks formed Rocks formed
from: from: Pieces of Pieces of
other rocks,other rocks, Once living Once living
things,things, Liquid Liquid
solutionssolutions
Pieces of Other RocksPieces of Other Rocks
Layers of sediment harden Layers of sediment harden into rockinto rock
11stst : Compaction, sandstone : Compaction, sandstone22ndnd: : Cementation, Cementation,
conglomerate conglomerate
Pieces of Other RocksPieces of Other Rocks
Some form under Some form under water, shalewater, shale
Once Living ThingsOnce Living Things
Coal- layers of plantsCoal- layers of plantsCoquina- sea shells Coquina- sea shells
Liquid SolutionsLiquid Solutions Limestone- calcium Limestone- calcium
carbonate dissolved in sea carbonate dissolved in sea waterwater
The water evaporates, The water evaporates, limestone formslimestone forms
FossilsFossils Plants and animals can get Plants and animals can get
buried in the sedimentburied in the sediment When rock forms, their When rock forms, their
impression, bones, or shells impression, bones, or shells remain remain