Earth's Interior

Wegener also pieced together evidence from __________ to show that continents once fit together

The scientist who first proposed the hypothesis of continental drift was

What substances must the Earths core be composed of to create its magnetic field?

A model that represents earth's interior and broken crust is

The movement of heated material upward and cool material downward is is called

Earth's Lithosphere is broken up into pieces called _______?

What scientists know comes from Direct and Indirect Evidence. An example of direct evidence is

A 60 Mile thick region of the Interior of Earth, that is made of upper mantle and crust is

Earth's outer core is ______ iron & nickel

Scientists must ____ the earths layers because they cannot gather _____ from inside the earth

Earth can be simplified as 4 main Layers. They are in Order:

Wegener's theory was not accepted at first because

The direct evidence that scientists have concerning the properties of the asthenosphere is

Which is Evidence Wegener used to support his hypothesis of continental drift?

The Theory that Earth's landmasses slowly move is called

Scientists explain the movement of Earths tectonic plates occurs

The difference between the Earths Lithosphere and Asthenosphere is that the Asthenosphere is

The Earth's inner core and outer core differ. Evidence is provided by

seismic waves allow scientists to infer the thickness of earth's internal layers because they

An example of Indirect Evidence is...