what is a volcano ?
is an opening in the earth's crust through which lava, volcanic ash, and gases escape.
how are you supposed to dress for a lab ?
no hanging clothes, no open toe shoes, and a lab coat
what are sediments ?
Sediment is a naturally occurring material that is broken down by processes of weathering and erosion
what is the outer layer of earth ?
the crust
what does it stand for ?
self-contained underwater breathing apparatus
where are the most active volcanoes?
¨ring of fire¨
are open toe shoes allowed ?
no
how does sedimentary rocks form ?
when sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension
how many layers is there ?
7
how long will my dive last for ?
45 minutes
has worldwide volcanic activities been increasing recently ?
no
should you start a lab without your teacher in the lab ?
no you wait for teacher to come back
what affects sediments ?
Sediment moves from one place to another through the process of erosion
how deep is the earths crust ?
5-70km
how deep can i dive?
130 feet
how do you know when a volcano is going to erupt ?
An increase in the frequency and intensity of felt earthquakes. Noticeable steaming or fumarolic activity
what do you do when you get chemicals in your eye ?
you use the eye washer
how is sediment deposited ?
sediment carried by wind, flowing water, the sea or ice. Sediment can be transported as pebbles, sand and mud, or as salts dissolved in water
what is the hardest layer of the earth ?
mantle
if i wear glasses can i still dive ?
what do you call a volcano that wont erupt ?
dormant volcano
should i wear long swinging clothes in a lab ?
no
how does sediment move?
moves from one place to another through the process of erosion.
how did earth get all of its layers ?
These layers formed as the building blocks of Earth, known as planetesimals, collided and collapsed under their own gravity around 4.5 billion years ago.
what happens if i run out of air ?
Excess air will flow out of the lungs as long as the airway is kept open through inhaling or exhaling.