Isostasy and Hydrothermal Vents

Which characteristic is the driving force of isostasy?

• Density

• Salinity

• Temperature

• Polarity

Which structure would be expected to be the least dense?

• Core

• Oceanic crust

• Continental crust

• Asthenosphere

Isostatic changes in land __________ and sea level changes influence __________ seas

• height, shallow

• height, deep

• shape, shallow

• shape, deep

Hydrothermal Vents are located near which other geographic feature?

• abyssal plain

• mid-ocean ridge

• ocean trench

• tubeworms

The theory of plate tectonics hinges on tectonic plates "floating" on magma. Which layer of the earth contains the magma?

• Lithosphere

• Asthenosphere

• Atmosphere

• Core

• None of these

Based off the image, which tide would occur?

• Tidal Difference

• Spring Tide

• Neap Tide

• Low Tide

• High Tide

Tags

NGSS.MS-ESS1-1

Hydrothermal vents undergo ___________ as cool ocean water meets hot ocean _____________

• subduction, magma

• convection, water

• convection, magma

• subduction, water

Tags

NGSS.MS-ESS2-4

Which of the following is a characteristic of upwelling?

• warm water

• nutrient poor water

• occurs in the open ocean

• All of these

• None of these

Based off of the weather event in the diagram, which impact would occur.

• Flooding

• Drought

• High Humidity

• Hurricane

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

__________ circulation creates a “global conveyor belt” of water movement.

• Temperature

• Coriolis

• Thermohaline

• Ocean

• Current

Tags

NGSS.MS-ESS2-6