Ost

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

• True

• False

New crust is always formed at the...

• mid-ocean ridge

• deep-ocean trench

• asthenosphere

Which of the following supports the theory of seafloor spreading?

• Correlation of rock layers

• Crustal Age

• Magnetic Reversal

• Continuous Mountain Chains

Tags

NGSS.MS-ESS2-3

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

• Rift

Underwater mountain chains running through Earth’s ocean basins are called

• sea-floor spreading.

• mid-ocean ridges.

• magnetic reversal.

• continental drift.

Tags

NGSS.MS-ESS2-3

Which of the following are evidence for continental drift?

• Puzzle-like fit

• Fossils

• Rocks

• Climate Clues

• All of the Above

Tags

NGSS.HS-ESS1-5

Fossils are evidence for continental drift because

• there were the same fish fossils on many continents

• there were different fossils on different continents

• there were fossils of the same land animal on separate continents

• there were no fossils on the continents

Tags

NGSS.MS-ESS2-3

Rocks and mountains are evidence for continental drift because

• no rock evidence is found

• rocks layers do not match on any continents

• there are matching rock layers on separate continents

• there are matching fossils on separate continents

Tags

NGSS.MS-ESS2-3

This is a segment of DNA on a chromosome

• trait

• gene

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A stream widens into a river over time as the sides get worn away

• Mechanical Weathering

• Chemical Weathering

• Erosion

• Deposition

Tags

NGSS.MS-ESS2-2