definitions
what is erosion
process that wears down the rocks and other objects
where do earthquakes occur
near fault lines
what are minerals
they are the building blocks of rocks
what is the crust
layer that covers the surface of earth where all living things are found
true of false you can stop erosion
false
what is bedrock
layers of solid rock beneath loose rock fragments
what are the 2 types of plates
oceanic and continental plates
what is the hardest mineral
diamond
what layer is after the crust
the mantle
why are older rocks smoother
because it has gone through more erosion and has been weared down more compared to newer and younger rocks
what are igneous rocks
they are rocks that form from a hot molten rock
how do volcanoes form
they form because of converging boundaries
what is the moh's hardness scale
its a scale of 10 minerals ranked from weakest to hardest from 1-10 it also includes what the mineral can be scratched with
true or false the inner core is a hard ball
true
how can trees speed up erosion
what are intrusive igneous rocks
rocks that form from magma that cooled and hardened beneath Earth's surface
what are diverging boundaries
edge or location where the continental plates move apart from each other
what are metamorphic rock
they are rocks that have been changed because of their intense pressure and heat within Earth's interior
what is a lithosphere
it is the upper part of the mantle that includes the crust
what are sea stacks
the rocks that fall away in the ocean
what are rock/mineral crystals
when particles in a mineral line up in a regular platters that creates smooth surfaces and sharp edges
what is an epicentre
point which is directly above the focus of a volcano
what is apatite ranked on the moh's hardness scale
it is ranked 5th hardest
what is the inner core made out of
solid iron and nickle
what is oxidation
when water + oxygen turns into rust