7th Grade Science Review #2

Front

What is land that is completely surrounded by water?

Back

island

Front

lake

Back

a sizable inland body of water

Front

A volcano is an opening in the Earth's crust that allows hot lava to escape from underground.

Back

True

Front

The lithosphere (crust) is broken into sections called

Back

plates

Front

What process creates new crust from magma?

Back

sea-floor spreading

Front

Which type of boundary forms a mid-ocean ridge?

Back

divergent

Front

Which type of boundary forms a mid-ocean ridge?

Back

divergent

Front

What evidence did Alfred Wegener use to support his theory of continental drift?

Back

Fossil discoveries

Front

What is true of tectonics plates?

Back

They are constantly moving

Front

What is the underlying force that drives plate tectonics?

Back

Convention currents