Earth's Interior Flashcards
What is the Earth’s hard surface made of?
granite
Does the Earth look the same today as it did millions of years ago?
no
What is the study of the Earth called?
Geology
What is the difference between constructive ad destructive forces?
Constructive forces build up
destructive forces destroy the Earth
The Earth’s interior is divided into crust, mantle and core based upon what?
structure
what makes up most of the Earth’s crust?
basalt
What layer is directly below the crust?
mantle
two examples of constructive forces
mountains, rivers
two examples of destructive forces
volcanoes, earthquakes
what is xenolith
piece of rock with igneous
what is the deepest hole that humans have dug?
kola borhole
what is the deepest cave that humans have explored
krubera
how are seismic waves produced
.
how do seismic waves help geologists learn about the Earth?
.
name the 3 main layers of the Earth
crust, mantle, and core