Seafloor Spreading

What were 2 kinds of evidence were used to prove that the seafloor spread?

• rock formations, WWII shipwrecks

• magnetic seafloor stripes, WWII ship logs

• magnetic seafloor stripes, age of rocks

Tags

NGSS.MS-ESS2-3

What technology was used during WWII to detect enemy submarines and produce the first map of the seafloor?

• Sonar
• Radar
• GPS

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Undersea mountain range.

• Rift
• Mid-ocean ridge
• seafloor spreading
• Continental drift

Tags

NGSS.MS-ESS2-3

The OLDEST seafloor is located? 

• Closest to the mid-ocean ridge
• Farthest from the mid-ocean ridge

Tags

NGSS.MS-ESS1-4

Sea-floor spreading begins at the

• Deep ocean trench

• Mid-ocean ridge

• Continent's edge

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-ESS2-3

NGSS.MS-ESS2-2

The scientist credited with sea-floor spreading is _________

• Alfred Wegener, a German scientist

• Harry Hess, an American geologist

• J.Tuzo Wilson, a Canadian scientist

• Kenn Bulaso, a Filipino educator

In the Atlantic ocean, where is the youngest seafloor located?

• Towards the edges, near the eastern and western continents
• Towards the middle of the ocean
• Towards the north and south poles
• Young seafloor is located randomly throughout the ocean

Tags

NGSS.MS-ESS2-3