8th Grade Earth Science Review FL (6th /7th)

Front

Which layer of Earth is most dense?

Back

inner core

Front

The crust and the upper mantle (together) are sometimes called the ______________________.

Back

lithosphere

Front

Less dense material rises; and more dense material sinks; this is known as _________________________.

Back

convection

Front

Oceans sit on top of: lithosphere, oceanic crust, tectonic plates, All of these are correct

Back

All of these are correct

Front

"Subduction" is a type of ___________________ boundary.

Back

convergent

Front

This is an example of a _____________________ boundary.

Back

transform

Front

Sea Floor Spreading would be considered a type of ___________________ boundary.

Back

divergent

Front

What clues did scientists use to discover which continents were once connected?

Back

All of these are correct

Front

Which type of crust is more dense?

Back

oceanic crust

Front

What tectonic movement of Earth's crust is responsible for the East African Rift Valley?

Back

divergence of continental crust