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17 terms

5th Grade Chapter 9 Lesson1

STUDY
PLAY
crust
Earth's outermost and thinnest layer
continental and oceanic crust
2 types of crust
basalt
rock that makes up oceanic crust
granite
rock that makes up continental crust
continental rise
beginning of the oceanic crust
mantle
layer that makes up most of Earth's material
convection currents
________________ flow in the mantle.
core
center of Earth
iron
material that makes up most of Earth's core
magnetic field
Currents in the outer core make Earth's _______________.
liquid and solid.
The outer core is ______and the inner core is _______.
seismograph
instrument that records earthquake waves
lithosphere
top part of the mantle and the crust
oceanic
type of crust that lies beneath most of the ocean floor
continental
type of crust that makes up all the land of the continents
Studying mantle material that is pushed up through cracks in the Earth's crust, measuring vibrations from earthquakes , and laboratory experiments
3 ways that scientists learn about Earth's layers
three layers of the Earth
core, mantle and crust