Earth Science - Continental Drift and Seafloor Spreading

Who was the scientist who developed the theory of Continental Drift?

• Arsene Wenger

• Alfred Wegener

• Henry Hess

• Galileo

What theory was based on the observation that continents fit together like a puzzle?

• Continental Drift

• Seafloor Spreading

• Rift Reduction

• Volcanic Eruption

Tags

NGSS.MS-ESS2-3

How many tectonic plates are there, roughly?

• 60

• 7

• 10

• 77

Tags

NGSS.MS-ESS2-3

There are many underwater ridges that form the Great Global Rift System.

• True

• False

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is the mineral that aligns with Earth's magnetic field at the point in time that it cools?

• Lapis lazuli

• Emerald

• Magnetite

• Diamond

Tags

NGSS.MS-PS2-3

Which of the following is NOT evidence supporting Hess's theory of Seafloor Spreading

• Age of the sea floor

• Magnetic Striping

• Sediment thickness

• Fossil size

Convection currents are formed by the cyclic motion of magma in the asthenosphere.

• True

• False

Tags

NGSS.MS-ESS2-1

Which of the following is NOT a layer of the Earth?

• Lithosphere

• Asthenosphere

• Mantle

• Squamosphere