Seafloor

True or False : Sea-floor Spreading adds new material to the ocean floor?

• True

• False

The oldest seafloor is located?

• Closest to the mid-ocean ridge

• Farthest from the mid-ocean ridge

The oceanic crust is pushed aside on both sides of the 

• Continent's edge

• Deep-ocean trench

• Mid-ocean ridge

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

New crust is always formed at the...

• mid-ocean ridge

• deep-ocean trench

• asthenosphere

Tags

NGSS.MS-ESS2-1

Label the areas of the ocean floor​

a

b

c

d

e

Trench

Abyssal Plain

Continental Slope

Continental Rise

Continental Self

Tags

NGSS.MS-ESS2-3

Label the parts of the ocean floor.

a

b

c

d

e

continental shelf

trench

continental rise

continental slope

abyssal plain

Label the diagram appropriately

a

b

c

d

Continental shelf

Trench

Continental slope

Abyssal plain

Tags

NGSS.MS-ESS2-2

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

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

• Sonar

• Radar

• GPS

Tags

NGSS.MS-PS4-2

Sea-floor spreading begins at the

• Deep ocean trench

• Mid-ocean ridge

• Continent's edge

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3