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Changing Oceans
Natural Disasters
Rocks and recourses
More about Natural Disasters
More about Rocks and Recources
100
Name the 5 oceans.
Pacific, Artic, Antartic, Indian, Atlantic.
100
What is a disaster?
Conjures up images of damage, destruction and loss
100
Are rocks alike?
No they contain convinations of different metals ,minerals and shell fragments.
100
What is constructive process?
The building of new earth structures. (mountains and valleys)
100
What does destructive process do to rocks?
Wear down or destroy them
200
What is the smallest ocean?
Artic ocean.
200
What is an earthquake?
Is a sudden rapid movement vibration of Earth's crust
200
Does constructive process builds or destroys things.
They build
200
What layers is earth composed?
Crust, Mantle and Core
200
What does metal conduct? (2)
Heat and electricity
300
How much of earth's surface is covered by oceans?
3/4 71%
300
_____ is a fracture in Earth's crust.
A Fault
300
Do volcanoes produce rocks?
Yes
300
Erosion and weather are what?
Destructive process
300
Where does ocean salt come from?
Minerals dissolved from rocks
400
Do oceans affect people daily and how?
Yes, you eat food and get medicine that comes from the oceans they also control the climate
400
What is the most powerful force in nature?
An erupting volcano
400
What are the 3 mayor types of rocks?
Igneous, sedimentary and metamorphic
400
Tsunamis are created by what?
By earthquakes
400
What are the most common ingeneous rock?
Granite and Basalt
500
What is salinity?
The saltiness of water.
500
What is the ring of fire?
It's an arc of seismic along with the edges of the Pacific Ocean. It has a lot of volcanoes.
500
Earthquakes create what? (At least 2)
Tsunamis, landslides, mudslides, and fires.
500
Can both igneous and sedimentary rock become metamorphic?
Yes