Shared Flashcard Set

Details

Rocks
Lou baker
23
Science
7th Grade
01/13/2014

Additional Science Flashcards

 


 

Cards

Term
Rock cycle
Definition
Process that changes/created rocks
Term
Igneous
Definition
Cooled magma or lava
Term
Metamorphic
Definition
Formed by heat and pressure
Term
Sedimentary
Definition
Compacted/cemented rock
Term
Erosion
Definition
Movement of sediment by wind or water
Term
Weathering
Definition
Rock broken down by wind or water
Term
Magma
Definition
Molten rock below earths surface
Term
Lava
Definition
Molten rock above earths surface
Term
What changes igneous rocks' crystals size
Definition
Length of how long magma cools
Term
Intrusive
Definition
Formed from magma
Term
Extrusive
Definition
Formed from lava
Term
Example of intrusive rock
Definition
Granite- has crystals
Term
Examples of extrusive rocks
Definition
Obsidian- volcanic, basalt- dark glass rock, scoria- has holes that form from air bubbles, pumice- solidified ash
Term
detrital sedimentary rocks
Definition
form from sediments
Term
3 types of detrital sedimentary rocks
Definition
conglomerate- detrital rocks with pebbles
sandstone- detrital rocks with sand
shale- detrital rocks with mud and clay
Term
chemical sedimentary rocks
Definition
dissolved minerals come out of solution
Term
examples of chemical sedimentary rocks
Definition
limestone- chemical sedimentary rocks with calcium carbonate
halite- chemical sedimentary rocks with sand
Term
Organic sedimentary rocks
Definition
made by animals/plants
Term
example of organic sedimentary rocks
Definition
coal-organic sedimentary rocks made from dead plants
Term
type of metamorphic rock
Definition
foliated-has layers or bands
Term
type of metamorphic rock
Definition
nonfoliated-no layers or bands
Term
3 types of foliated rocks
Definition
slate-made from shale, schist-made from mica, gneiss-made from granite
Term
nonfoliated rocks
Definition
marble-from limestone, quartzite-from sandstone
Supporting users have an ad free experience!