part 5 plate tectonics review ---pages 42 to 47 ---sfx --fall 2009

Created by johnmelone 

Upgrade to
remove ads

14 terms · part 5 plate tectonics review ---pages 42 to 47 ---sfx --fall 2009

plate

section of the Earth's crust ( lithosphere )

theory

idea that has been tested ----but not proven

what is defined as : the constant slow movement of earth's plates b/c of convection currents?

plate tectonics

what actions can happen where plates meet?

collide,pull apart , or slide past each other

fault

a break in the Earth's crust

3 types of plate boundaries?

transform, divergent, and convergent

boundary where plates come together ?

convergent

boundary where plates pul apart?

diverge

boundary where playes slide past each other?

transform

can divergent boundaries occur on land?

yes ---can create rift valleys

when 2 plates collide -- what determines which one will be on top?

density --the less dense plate will go on top

what is more dense --oceanic or continental ?

oceanic ---has more mass in a given volume .... remember the oceans are lower than the continents ------so they must be more dense

the rate at which you fingernails grow ------ is equal to the rate of movement of the earths plates. true or false ??

true

how long ago did Pangaea break up?

225 milllion yrs ago

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

NEW! Voice Recording

Click the mic to start.

Create Set