Which landform is a large moving body of ice, that forms in places where snow and ice pile up each year?
Glacier
100
What is the process of erosion?
It is the movement of weathered material
200
Which layer has the consistency of toothpaste?
The mantel
200
How is magma different then lava?
Magma is what is inside the volcano and it becomes lava when it erupts from the volcano
200
When plates come together what does if form?
Mountains
200
What is a coast?
Land next to the ocean
200
What is weathering?
The action of breaking down or weakening a rock into smaller pieces
300
We live on which layer of the earth?
The Crust
300
Earthquakes are measured on what scale?
Richter scale
300
Plates are always moving: True or False?
True
300
Describe a plateau
High, flat piece of land higher then the surrounding area
300
What are some forms of erosion?
Water and wind
400
Which layer is the most dense?
The Core
400
Why do some earthquakes cause more damage then others?
Because vibrations are closer to the surface of the Earth
400
What causes earthquakes?
Plates rubbing together creating vibrations through the surface of the earth
400
Describe a river
A river is a narrow strip of water flowing through the land
400
How was the Grand Canyon formed?
Through the process of erosion by the river running through it
500
Why is the core so hard?
Because of the pressure from the other layers, which makes it very hard
500
Give the process of how a volcano is formed
1)Magma is forced through a crack in the crust by pressure
2) Magma creates a magma chamber
3) Goes through the central vent
4)Erupts through the top or side of volcano through lava
5)Lava hardens into igneous rock
500
Why are volcanoes formed in the first place?
Pressure in the mantel needs to be released so released through a volcano
500
what is the difference between a hill and a mountain?
A mountain and a hill look the same but a hill is smaller then a mountain