Sea Floor Spreading and Plate Tectonics

list the 3 Type of plate boundaries​ (a)   ​ (b)   ​ (c)  

• convergent plate boundary

• dievergent plate boundary

• transform plate boundary

• oceanic

• continental

• mountains

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NGSS.MS-ESS2-3

the idea that continents move around on Earth's surface.

• plate tectonics

• earthquake

• continental drift

• volcanic eruption

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NGSS.MS-ESS2-3

oceanic plates

• when an oceanic plate collides with other plate either continental or oceanic, sebduction of the denser plate occurs

• lithospheric plates

• tectonic plates

• continental plates

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NGSS.MS-ESS2-3

were discovered during naval mapping of the ocean floor

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NGSS.MS-ESS2-3

scientist discovered that the oldest ocean floor was ________ from the mid ocean ridge

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NGSS.MS-ESS2-3

In sea floor spreading, molten material rises from the mantle and erupts

• along the edge of the continents

• at the mid ocean ridge

• in deep ocean trenches

• at the North and South Pole

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What type of boundary is this?

• convergent

• divergent

• transform

What is the process that continually adds new crust to the ocean floor along both sides of the mid-ocean ridge?

• sudduction

• sea floor spreading

• earthquakes

• continental drift

Tags

NGSS.MS-ESS2-3

What type of boundary is this?

• convergent

• divergent

• transform

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Most geologists think that the movement of Earth's plates is caused by

• Earth's magnetic fields

• convection currents in the mantle

• the oceans

• the Sun

Tags

NGSS.MS-ESS2-3