Science Part b
What is a P wave (Primary Wave)
- travel faster and through soilds, liquids and gases
- first signal
- main type of wave
What is an S wave (secondary)
- slower than P wave
-body wave
- first siganal from an earthquake to arrive
L wave (surface/Land)
- slowest wave
- travels along earths surface
- causes most damage
Diversion plates
large pieces of the Earth's lithosphere that cover the planet's surface. These plates float on the semi-fluid below them.
Are their active fractures/ ridges in te lithospere ocean floor? (yes/no)
Yes
does the sea floor get older closer to te mid ocean ridges (yes/no)
no
Are tectonic plates constanly mving and clashing in the ring of fire (yes/no)
yes
what is realsed form the earths interior, ash or molten rock
both
can the ring of fire cause earthuakes (yes/no)
yes
can tectonic plates collide in subduction zones
yes
do convection currents cause seafloor spreading (yes/no)
yes
What does first nation use Quartz for
- spear tips
- knives
What does first nations use rocks for
- rituals
- illustrations
- spritual
- painting/ drawing
What does GPS stand for?
Global postioning system
what does GPS tracking mesaurse?
- velocity
- postions
- data
- timeline
- time frames
where do convection currents drive force behind?
tectonic plate movement
what is the ring of fire shapes as
horse shoe
when plates colide they create high ___ and___ which lead to volcanic activity
pressure and friction
A normal falut is when
one is up, one slides down
A reverse fault is when
they slide down, and one side falls
A slip fault is when
They slip past eachother
can faults cause earthquakes(yes/no)
yes
can folds cause earthquakes(yes/no)
no