Flashcard: "Listening to Earth"

Front

What tool does Bob Dziak use to study the sounds of the ocean floor?

Back

Hydrophone

Front

What is the Mariana Trench known for?

Back

Being the deepest part of the ocean

Front

At a convergent boundary, what typically happens to one of the plates?

Back

It sinks into the mantle

Front

Why did Dziak and his team use hydrophones?

Back

To record sounds from plate movement and earthquakes

Front

What forms at divergent boundaries under the ocean?

Back

Mid-ocean ridges

Front

Why are mid-ocean ridges significant in plate tectonics?

Back

They create new oceanic crust

Front

Which type of boundary involves two plates moving towards each other?

Back

Convergent

Front

What did Dziak and his team discover about the frequency of earthquakes at convergent boundaries?

Back

There were more earthquakes than expected

Front

Which material rises to fill the space between plates at divergent boundaries?

Back

Mantle material

Front

What helps scientists study earthquakes at mid-ocean ridges?

Back

Hydrophones