rocks test Flashcards
how was earth formed
cosmic dust and gas attracts together by gravity to form a planet
what was the surface of the early earth
volcanic and molten rock
How were oceans formed
water vapour formed rain clouds which rained to from oceans
what are the layers of earth
crust ,mantle ,outer core,Inner core
what are igneous rocks
rocks which are formes when lava cools down to a solid
what is a extrustive igneous rock
an igneous rock formes outside the volcano
whats the diffrence between the 2 different types of igneous rocks
entrusive cools down faster and forms small crystals amd intrustive rock cools down slow and and formes larger crystals
what is a intrusive igneous rock
a igneous rocked formed inside the volcano
whats sediment
small peices of broken rock
what are sedimenteray rock
rocks formed when layers of sediment compress and cement under high pressure
what is weathering
The breakdown of rock by physical and chemical process
what type of weathering is there
Chemical weathering ,Physical weathering, Biological Weathering
