earth pt1
fossil
rocks
layers of earth
earth pt2
100
what is the gradual movement of the continent across earth's surface
continental drift
100
what is the first step of fossilization?
a living organism dies first
100
what is "rocks formed when magma comes out and cools on the earth's surface
igneous rock
100
what is the hottest part of earth?
the inner layer
100
what is "when plates rub against each other, resulting in earthquakes"
transform boundary
200
what is a supercontinent where all landmass existed together
pangea
200
what is a fossil that is a stone imprint left by an actual organism
body fossil
200
formed when sedimentary and igneous rocks are changed by heat and pressure
metamorphic rock
200
what is the crust?
the outer layer of earth
200
what is divergent boundary?
when plates pull apart
300
what is " when rocks and animals break down in nature"
weathering
300
if a fossil is found on the top of the land, is it younger or older?
younger
300
what is sedimentary rocks
formed by layers of older rocks squeezed together
300
what is the layer below the crust ?
the mantle
300
what is a convergent boundary?
when plates push together, resulting in mountains
400
what is deposition
when sediments, soil and dissolved minerals are dropped off to another location
400
if a fossil is found on the deeper layer of the land, is it younger or older?
older
400
what type of rocks are these?
sedimentary rock
400
what is the layer below the mantle?
the outer layer
400
what is "a region where many tectonic plates boundaries meets, resulting in frequent earthquake and volcanic eruption"
ring of fire
500
what is "earths outer shell that is divided into slabs of rock that slowly move and interact with one another"
plate tectonic
500
not an actual remain of an organism, rather an indicator of life
example: footprint
trace fossil
500
what is " when rocks are broken down and altered by glaciers
glaciation
500
name each layer in chronological order
crust -mantle-outer layer-inner layer
500
what is "when rocks and soil are carried away by wind, ice, and water
erosion