Do Now 1/21

Who is the person credited with developing the theory of continental drift?

• Harry Hess
• Galileo
• Alfred Wegener
• Newton

Tags

NGSS.MS-ESS2-3

Why did no one believe Wegener's thoery?

• He could not explain HOW the continents moved
• He didn't have evidence
• His data was wrong
• He didn't use the right technology to gather data

Tags

NGSS.HS-ESS1-5

What is represented by the picture? 

• Sea-floor spreading
• Pangea
• How the continents are arranged today
• Volcanoes

Tags

NGSS.MS-ESS2-3

Seafloor spreading occurs because ____.

• new material is being added to the asthenosphere

• earthquakes break apart the ocean floor

• sediments accumulate at the area of spreading

• molten material beneath Earth's crust rises to the surface

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The crust is broken into:

• Islands

• Continents

• Oceans

• Tectonic Plates

Tags

NGSS.MS-ESS2-3

One piece of evidence for Plate Tectonics is that--

• some continents appear to fit together like a puzzle.

• we have video footage of the plates actually moving.

• all continents have formed from volcanic eruptions.

• the continents are no longer moving.

Tags

NGSS.MS-ESS2-3

What causes the tectonic plates to move?

• convection of magma
• the earth's magnetic field
• the earth spinning
• earth's gravitational pull

Tags

NGSS.MS-ESS2-1