Earth's Layers And Convection Question Preview (ID: 43682)


Science.

Warm things __________.
a) rise
b) sink
c) stay the same
d) mix with warm

What force causes the Earth's plates to move?
a) convection
b) conduction
c) radiation
d) gravity

_________ was a geologist who discovered that the sea floor was spreading.
a) Harry Hess
b) Isaac Newton
c) Alfred Wegener
d) Charles Darwin

Colder things are _______dense.
a) more
b) less
c) evenly
d) not

The transfer of heat through a fluid is known as _______.
a) convection
b) conduction
c) radiation
d) tectonics

Warm things are _________dense.
a) less
b) more
c) evenly
d) not

Where does the heat come from that causes convection?
a) inner core
b) outer core
c) mantle
d) crust

The mantle is made up of _________.
a) magma
b) lava
c) rock
d) metal

Convection occurs in which layer?
a) mantle
b) outer core
c) inner core
d) crust

The _______is the largest layer of the Earth
a) mantle
b) inner core
c) outer core
d) crust

The _________ is the hottest layer of the Earth.
a) inner core
b) outer core
c) mantle
d) crust

________came up with the theory of continental drift.
a) Alfred Wegener
b) Harry Hess
c) Albert Wegener
d) Henry Hess

List the layers of Earth in order starting with the crust.
a) crust, mantle, outer core, inner core
b) crust, mantle, inner core, outer core
c) crust, outer core, mantle, inner core
d) mantle, crust, outer core, inner core

The transfer of heat through a fluid is _________.
a) convection
b) conduction
c) earthquakes
d) radiation

Continental crust is ________
a) thicker than oceanic crust
b) thinner than oceanic crust
c) the only crust that moves
d) the same size as oceanic crust

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