Chapter 4: keywords & definitions! (rocks) Flashcards
(14 cards)
exogenous processes
a force or process that comes from outside the earth
weathering
breaking down of rock material
sediment
smaller pieces of rock formed through weathering
erosion
a process that wears away rock
igneous rocks
rocks formed out of solidified magma or lava: volcanic rocks
sedimentary rocks
rocks formed from sediments which are pushed together
metamorphic rocks
rocks formed due to heat & pressure deep inside the crust
erosion
transporting of broken rock material
deposition
dropping of transported broken rock material
physical weathering
weathering due to physical changes such as temp. or the force of rainwater
chemical weathering
weathering due to chemical changes, that changes the type of rock
biological weathering
weathering caused by living organisms
solution
dissolving of rock due to raindrops, for example