Earth Layer
How many earth layer are there?
There are four earth layer crust,mantle,outer core and inner core.
Why volcanoes erupt?
when molten rock called magma to rises to the surface.
A sudden movement along the boundary of a tectonic plate is called?
Earthquakes
In SCUBA will there be dangerous to marine life?
yes
What is weathering?
Breaking rocks down
Which layer of earth is all liquid?
outer core is all liquid
How many volcanoes are there?
There are over 1,350 active volcanoes
How does scientists identify plate boundaries?
By studying data from earthquakes
What happen if you run out of air?
just keep open through and inhaling and exhaling your breath
What is deposition?
dropping sediment
In inside the earth which layer made of iron and nickels?
outer core
What is a Pyroclastic flow?
Is when lava flowing down in greater speed
What are three types of plat boundaries?
Divergent,Convergent and Transform
What kind of gear you have to wear?
wet suit ,scuba gloves, mask ,scuba tank diving snork
What type of rock do we find fossils?
sedimentary rock
In which layer does the Pangaea first happen
First layer of earth crust
What is the difference between lava and magma?
magma is molten rock that is underground and lava is molten rock that breaks through the Earth's surface.
What is the name of the process that occurs at the mid ocean ridge?
sea-floor spreading
How deep will you have to dive?
12-18 meter
Minerals that crystallize directly from sea water
hydrogenous sediment
How deep is the earth crust?
5-70 km or 3-44 miles
How volcanoes are formed?
When tectonic plat move under each other
How many major tectonic plate have scientists identified?
15 of them
What kind of works SCUBA do?
They look in ocean and discovers new things about unknown spices
What is the largest partials in sediment
Gravel