definitions
Rock formed when magma or lava cools and hardens
Igneous rock
rock formed when sediment is compacted and cemented together
Sedimentary rock
the process of breaking down rocks into smaller pieces
weathering
which layer of the earth is hottest?
core
The hottest layer of the earth
core
includes earths water
hydrosphere
when broken pieces are carried away by wind or water
erosion
which sphere includes animals plants and living organisms?
biosphere
Shows signs of animal activity like footprints or burrows
Trace fossil
a preserved tooth or bone
body fossil
melted rock found deep underground
magma
which type of rock forms when magma or lava cools and hardens
igneous
includes all living things
biosphere
rock changed by heat and pressure
metamorphic rock
high temperatures that can change rocks
heat
what forms when sediment is compacted and cemented together
sedimentary rock
the outermost layer of earth
crust
tiny pieces of rocks, sand and dirt
sediment
melted rock or magma that comes out of a volcano
lava
which process changes rock into metamorphic rock
heat and pressure