lab
safety
safety
True or False
it's okay not to wear safety glasses
false
how are volcanoes formed?
when one tectonic plate moves under another.
what does scuba stand for?
self- contained underwater breathing apparatus.
what is the outer layer of the earth?
The crust.
what are the three types of plate boundaries?
Divergent, Convergent, and Transform
What is one thing to avoid in lab?
drinking or eating
where are the most active volcanos?
Indonesia
what are things to avoid in scuba
going under 10 meters because the oxygen becomes toxic
how many layers are there in the earth?
3.
what is the name of the process that occurs at the mid ocean ridge?
sea-floor spreading.
what are safe ways to use chemicals?
using proper gear and materials.
Where is the most accessible lava in the world?
Tanna Island, Vanuatu
what are things not to avoid in scuba?
not having proper gear and equipment.
how deep is the earth's crust?
5-70km
how many large plates form the outer shell of the earth?
7
what is the most appropriate footwear for labs?
closed toed shoes
how do you know when a volcano can't erupt anymore?
when there is no sign of an active magma chamber beneath the volcano.
true or false
it's okay to panic in water
False
what makes up the lithosphere?
The crust and upper mantle.
what lies directly beneath the crust?
Mantle
Flammable materials should never be dispensed or used near _________
flame or heat source
How are volcanos dangerous?
They are powerfully destructive.
what happens with pressure?
air in body decreases.
which layer of the earth's interior has the most volume?
Mantle.
oceanic crust is on average how thick?
7km