Volcanoes
This is the name for where most volcanoes are located.
Cone volcanoes make this type of rock...
What is basalt?
What is felsite?
What are:
- at the top, a rock is jagged and sharp
- at the bottom, a rock is smooth and round
These are types of natural disasters that humans must prepare for.
What are fires, earthquakes, tsunamis, tornadoes, and landslides?
Volcanoes most likely occur around the coasts of this ocean.
What is the Pacific Ocean?
These are the two types of volcanoes.
What are cone and shield volcanoes?
The meaning of this word is: "to wear down rocks so that they are weaker."
What is weathering?
This is where you should camp if you want to avoid a landslide.
Where is a place without loose rocks, rainfall, or a steep hill?
This is the percentage of volcanoes that occur in one specific area of land.
What is about 70-75%?
Shield volcanoes erupt in this way...
Cone volcanoes erupt in this way...
What is gentle?
What is explosive?
The meaning of this word is: "to move broken rocks to a new place."
What is erosion?
Landslides are a form of this...
What is erosion?
Ex. California, Mexico, Australia, etc.
Gas bubbles do this in each volcano type.
What is:
- Shield: flow out easily
- Cone: build pressure
Rocks can be broken by these things.
What is root or ice wedging?
Or: acid rain, earth quakes, water flow, wind flow
These are different causes for landslides.
What are:
1. Loose rocks
2. Heavy rainfall
3. Steep hills
If you found black rocks near a hill, the hill could be an...
What is an extinct volcano?
This causes the difference in the shape of each type of volcano.
What is its lava texture?
- Shield: watery and runny
- Cone: thick and pasty
If a rock tumbles down a mountain, this is how the rock is changed.
What is the following:
- the rocks loose its edges
- rocks hit each other and break away small pieces
- they become smoother
These are different ways to prevent a landslide from occurring.
What are:
1. Removing loose rocks
2. Shielding the town from rainfall
3. Making the hill less steep
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