Paragraphs 1&2
What is the scientists name from the article?
Bob Dziak
The Mariana Trench lies along what boundary?
A convergent boundary
What happens at divergent plate boundaries?
The plates move apart from each other
What are smaller earthquakes called?
Foreshocks
The motion of Earth's tectonic plates are said to work like a _______?
Conveyor Belt
Who does the scientists work for?
NOAA ( National Oceanic and Atmospheric Administration)
What is happening along a convergent plate boundary?
Two plates are colliding and one plate is slipping underneath the other plate
What happens at the place where two tectonic plates separate?
Hot material from the mantle fills in the space between the plates and adds new rock to the edges of each plate
How can studying earthquakes on the ocean floor help people on land?
It may allow us to better predict when earthquakes will happen on land
What type of plate boundaries do most tectonic have on the sides of them?
A convergent plate and a divergent plate
What were the scientists trying to find out?
What was happening at plate boundaries
What happens to the plate that is shoved underneath the other plate?
It moves into the mantle and destroyed
What landform is made at divergent plate boundaries?
A Mid-Ocean Ridge
Tectonic plates move how much per year?
Centimeters
What did the scientists use to collect sound from the ocean floor?
A hydrophone
What landform is formed along convergent plate boundaries?
A trench
What can scientists hear when they listen to convergent and divergent plate boundaries?
Earthquakes and volcanic eruptions
Where is new tectonic plate material made?
At mid-ocean ridges
Where do earthquakes happen?
Along plate boundaries
What are common along convergent and divergent plate boundaries?
Earthquakes and volcanoes
Where are tectonic plates destroyed?
At convergent plate boundaries where it goes into the mantle and is melted