earthquakes
this is the first wave of an earthquake
what is an p wave
this is the first layer of earth
what is the crust
this is an series of processes on earths surface
what is the rock cycle
this is the study of plants
what is botany
this is a weak spot in the crust
what is an volcano
this is the second wave of an earthquake
what is an s wave
this is the second layer of earth
what is the mantle
this is a type of rock formed from cooling of lava
what is an igneous rock
these are non-flowering plants
what is gymnosperms
this is is an mixture of rock forming substances
what is magma
this is the fastest wave of an earthquake
what is an p wave
this is the third layer of earth
this type of rock is formed from other rock sediments
what is an sedimentary rock
these are flowering plants
what are angiosperms
this is magma that reaches the surface
what is lava
what is an surface waves
this is the last layer of earth
what is the inner core
this type of rock formed when the existing rock is changed by heat
what is a metamorphic rock
this holds plant in ground and takes in water
what is the root
this is an spot were material form deep in rises from the mantle
what is hot spots
this is the biggest wave of an earthquake
what is an surface waves
this is the thickest part of the earths structure
what is the mantle
this process breaks down rocks on earths surface
what is weathering
this holds plant up and transports water
what is the stem
this volcano can erupt at any time
what is an active volcano