9.1/9.2 Remediation for Continental Drift/Sea Floor Spreading

While studying the ocean floor, scientists found ________________ bands of magnetism.

• plastic
• alternating
• no
• rectangular

Tags

NGSS.MS-ESS2-3

A vast, underwater mountain chain is called a(n) ______________.

• deep-sea trench

• oceanic crust

• mid-ocean ridge

• ocean floor sediment

The alignment of iron minerals in rocks when they are formed reflects the fact that Earth's ___________ has reversed itself several times in the past.

• magnetic field
• core
• asthenosphere
• gravity

Identify the feature labeled A.

• trench
• oceanic crust
• mid-ocean ridge
• abyssal plain

Tags

NGSS.MS-ESS2-3

Identify the feature labeled B.

• trench
• oceanic crust
• mid-ocean ridge
• abyssal plain

Tags

NGSS.MS-ESS2-3

Identify the feature labeled D.

• trench
• oceanic crust
• mid-ocean ridge
• abyssal plain

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

Matching ____________ on different continents are evidence for continental drift.

• river systems
• rock structures
• weather patterns
• wind systems

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

The youngest rocks on the ocean floor are located ___________.

• near continents
• at mid-ocean ridges
• far from mid-ocean ridges
• near Asia

Scientists have observed that the continents move apart or come together at speeds of a few centimeters per ____________.

• century
• decade
• day
• year

Tags

NGSS.MS-ESS2-3