Vocabulary
Earth Structure
Planets
Solar System
Volcanoes and Earthquakes
100
This is the top most layer of the earth
What is crust?
100
This is made mostly of melted iron and nickel.
What is "outer core?"
100
93 million miles away from the sun
What is Earth?
100
This is how life started on earth
What is single-celled organisms?
200
This lasted about 100 million years.
What is accretion?
200
The chunks that make the upper most layer of the earth.
What is plates?
200
This is the home of the asteroids
What is the asteroid built?
200
This is the home of the comets
What is the oort cloud?
200
This is caused by uplifting plates
What is mountains?
300
this is where our weather develops
What is the troposphere?
300
this is the age of our solar system
What is 4.5 billion years?
300
this is caused by subducting plates
What is volcanoes?
400
This layer protects us from the harmful ultraviolet rays
What is the ozone layer?
400
this is the nucleous of our solar system
What is nebula?
400
This is casued by rifting plates
What is sea-floor spreading?
500
This is the last layer of the atmosphere
What is Ionosphere?
500
This is when two hydrogen molecules get fused/welded together.
What is nuclear fusion?
500
There are three main layers of this in the surrounding sheet around out planet
What is atmosphere?
M
e
n
u