Air & Water
What is the thick layer of special gases called that surrounds the Earth?
The answer is Atmosphere.
What makes plates move slowly apart?
The thing that causes plates to move slowly apart is the soft magma underneath the plates.
At one time the Earth had only one landmass. What was it called?
The landmass was named Pangaea.
In order, what are the four major layers of the Earth?
They are crust, mantle, outer core, and inner core.
What are the four types of precipitation called that that come from the atmosphere?
They are rain, sleet, hail, and snow.
If plates move quickly apart how far do they usually move?
If plates move quickly apart they will probably only move about two inches.
What is the process that breaks down rocks into tiny pieces?
This process is called weathering.
Which layer out of the four do people, plants, and animals live on?
People, plants, and animals, live on the crust, because the other layers receive to much pressure and are far to hot for people.
What percent of water is on Earth?
97% of water covers the Earth.
How many tectonic plates are their on the Earth?
Their are 12 tectonic plates on the Earth.
About how many feet above sea level are mountains?
Mountains are about 2,000 feet above sea level.
What is it called when over a period of time the cooling rock builds up two lines of underwater mountains?
This process is called ridges.
What is water stored in soil and the rock layer below the surface of the Earth called?
It is called groundwater.
What is the largest plate tectonic on the Earth?
The largest plate tectonic on the Earth is the pacific plate.
Molten rock moves upward sometimes exploding onto the surface creating a
*Fill In The Blank*
Volcano
What is the outer most part of the Earth, and the inner most part of the Earth? ¨*Hint Be Specific*¨
The outer most part of the Earth is called the core, and the Innermost part of the Earth is called the inner core.
If there was no atmosphere would people and animals be living?
No, people and animals would not be living because the atmosphere provides oxygen and carbon dioxide to all living organisms.
What are the three types of plate boundaries?
The three types of plate boundaries are convergent, transform, and divergent.
Landforms that exist today were not the same one million years ago.
*True or False*
True, do to weathering, erosion and volcanoes building up the Earth the landforms today were much different 1 million years ago.
What is the larges and longest layer of the Earth?How many kilometers is it?
The largest and longest layer of the Earth is the mantle. It is about 2,900 kilometers long.