Seafloor Spreading- Review for QUIZ

The entire cycle of heating occurring in the mantle is called

• Convection currents

• subcurrents

• heat currents

Tags

NGSS.MS-ESS2-1

When looking at mid ocean ridges the oldest rocks are 

• In the middle
• Found close to the rift zone
• Found far from the mid ocean ridges

Tags

NGSS.HS-ESS1-5

Why were magnetic patterns found on the ocean floor puzzling?

• They showed alternating bands of normal and reversed polarity.
• No rocks were magnetic.
• They did not show alternating bands of normal and reversed polarity.
• All rocks were magnetic.

Tags

NGSS.MS-ESS2-3

The OLDEST seafloor is located? 

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

Tags

NGSS.HS-ESS1-5

What evidence helps scientists show how sea floor spreading occurs?

• Molten evidence

• Magnetic Stripes

• Age of the rocks

• All of the Above

Sea-floor spreading begins at the

• Deep ocean trench

• Mid-ocean ridge

• Continent's edge

Tags

NGSS.MS-ESS2-3

New crust is always formed at the...

• mid-ocean ridge
• deep-ocean trench
• asthenosphere

What is label D

• Trench

• Mid ocean ridge

• abyssal plain

• sea mount

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

This scientist was the first to propose seafloor spreading

• William Watts

• Harry Hess

• Alfred Wegener

• Tenzing Norgay

Tags

NGSS.MS-ESS2-3

Where would the oldest rock be found?

• L
• M
• N
• O

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS1-4