Describe differentiation. - answer✔Differentiation is when an object has separate, different
layers of density. The core, mantle and crust of the Earth is an example of differentiation.
Conduction - answer✔exchange of heat (from hot to cold) through touch
Radiation - answer✔exchange of heat (from hot to cold) through light
Convection - answer✔exchange of heat (from hot to cold) through a convective fluid, which
moves the energy. Bodies are not touching
Density - answer✔measurement of how tightly packed the molecules in the object are
What is the formula for density? - answer✔D = mass/volume
Plate tectonics - answer✔plates are being pushed around by the convective motion underneath
them
Describe what spreading centers are and provide an example - answer✔crust pulls apart and
mantle material fills up gap, ie, Red Sea, Mid-Atlantic Rift
Describe what subduction is and provide an example - answer✔one plate pushed under
another plate, and as they rub together, they heat up and form volcanoes and mountains, i.e.,
Mt. St. Helens
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