topic 1 Flashcards
(20 cards)
which two ways is heat distributed?
pressure differences, ocean currents
hadley cells are…
0-30 degrees n/s
ferrel cells are…
30-60 degrees n/s
polar cells are…
60-90 degrees n/s
which 3 ways are used to predict climate?
using satellite images, drawing and interpreting climate graphs, and tracking cyclones
which 4 theories do scientists use to predict the causes of climate change in the past?
the eruption theory, the asteroid collision theory, the sunspot theory and the orbital theory
what 3 ways can scientists predict the climate of the past?
ice cores, tree rings and historical sources
what is global warming causes by?
enhanced greenhouse effect
where is a tropical cyclone pronounced a hurricane?
the north Atlantic and pacific coast of usa
where is a tropical cyclone pronounced a cyclone?
in the indian and south pacific oceans
where is a tropical cyclone pronouced a typhoon?
in the western north pacific
what speed does a tropical cyclone have to reach to be classed as a cyclone, hurricane or a typhoon?
118km/h
what is the divergent plate boundary?
when 2 plates are moving away from each other
what is a convergent plate boundary?
when 2 plates are colliding together
what is a conservative plate boundary?
when 2 plates are sliding past each other
what is the outer core made out of?
nickel and iron, liquid
what is a continental crust?
it forms land and is made of granite
what is an oceanic crust?
it is under the ocean, made out of basalt
is the lithosphere molten or solid?
solid
is the asthenosphere molten or solid?
partly molten
