Geologists observe Earth's interior by studying __________.
Lithosphere, asthenosphere, mantle, outer core, and inner core
Give the correct order of Earth's layers.
Earth's inner core is a _________.
When you touch a hot pot or pan, energy moves from the pot to your hand. This is called __________.
The transfer of energy through empty space is called ________.
Heat transfer within a fluid takes place by __________.
When the heat source is removed from fluid, convection currents in the fluid will __________.
According to Wegener's hypothesis of continental drift, the continents were once joined _________.
Pangaea is the _______ that existed millions of years ago.
Alfred Wegener to support his continental drift hypothesis did not use evidence from _________.
Most geologists rejected Alfred Wegener's idea of a continental drift because he could not identify __________.