planet earth mid unit review Flashcards
what are the 4 layers of the earth
crust, mantle, outer core, inner core
what is a geoligist
someone who studys the earth.
What is the crust made of
It is made of solid rock also known as granite
What are the two words for mantle
Mantle and upper crust
What does the upper crust and the mantle form
Lithosphere
what is the outer core made of
It is made of fluid iron but it is completely liquid.
what is the inner core made of
It is solid on is believed to be made up of iron and nickel solid
what are some sudden earth events
earthquakes or volcano eruptions
Does the richer scale do
It reports the magnitude of earthquakes
What is a seismologist
scientist who uses a seismograph to record the intensity of an earthquake.
what is a seismograph
machine used to measure the force of an earthquake. s
What is the difference between lava and magma
Magma flows within the Earth’s crust and lava flows on top of the Earth’s crust
What are the three different types of rock families
Sedimentary igneous and metamorphic
how are sedimentary rocks made
from compaction
how are igneous rocks made
from melting and cooling.