8th grade plate tectonics test

whats the name of the ancient supercontinent

• North America

• Oswald

• Pangaea

• Eurasia

Tags

NGSS.MS-ESS2-3

Who developed the continental drift hypothesis

• Harry Hess

• Alfred Wegener

• Benedict Arnold

• Norman H. Dinglhower

About how fast do plates move a year?

• A few feet

• a few cm

• a few yards

• a few mm

Tags

NGSS.MS-ESS2-3

Where do Earth's plates slide past each other?

• Convergent boundaries

• Divergent Boundaries

• Transform Boundaries

Why do plates sometimes sink into the mantle?

• because of convergent boundaries

• Because they feel like it

• Because one is more cool so it sinks first

• Subduction one plate is more dense

What is an ocean trench, Where do they occur?

• A big hole , in the ocean

• why do i have to now this ??

• Huge cracks in Ocean occurs @ subduction zone

Tags

NGSS.MS-ESS2-3

Describe a mid-ocean ridge

• mountain range in the ocean created by convergent boundaries

• A deep hole in the middle of the ocean

• a little crack that people make a big deal about

Describe how the depth of ocean crust is related to the age of ocean crust.

• It gets older and there are more layers and the older layers are deeper down.

• because there too old

Tags

NGSS.MS-ESS1-4

What layer in the earth's mantle do the plates slide over?

• Athenosphere

• slidysphere

• converdysphere

Tags

NGSS.MS-ESS2-3

Describe how scientist make maps of the ocean floor

• spare submarines

• Sonar waves that bounce off of the floors and other obsticles

• Athen waves move and here ocean life

Tags

NGSS.MS-PS4-2