Seafloor spreading occurs at ___________ plate boundaries

• divergent oceanic - oceanic
• convergent oceanic - contiental
• transfrom
• divergent contiental - contiental

Select the correct statement below,

• Rocks in the oceanic crust tend to be younger than rocks in the in continental crust
• Rocks in the continental crust tend to be younger than rocks in the oceanic crust
• Rocks in the continental and oceanic crust tend to be the same age

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Mid-ocean ridges are found at which type of plate boundary?

• divergent oceanic- oceanic plate boundaries
• convergent continental- continental plate boundaries
• transform continental plate boundaries
• passive plate plate boundaries

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Rift valleys are found at which type of plate boundary?

• divergent oceanic-oceanic plate boundaries
• convergent oceanic- oceanic plate boundaries
• transform continental plate boundaries
• passive plate plate boundaries

Tags

NGSS.MS-ESS2-3

The lithosphere is mainly __________________, the asthenosphere is mainly ____________

• solid, solid
• liquid, solid
• liquid, liquid
• solid, liquid

What occurs when two plates collide (convergent boundary) and one subducts (moves under the othe)r?

• Mid-Ocean Ridge
• Rift Valley
• New Ocean floor formation
• Volcanoes

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

The rock that makes up most oceanic crust is _________ and is _____________

• Basalt, Magnetic
• Granite, Magnetic
• Basalt, Not Magnetic
• Shale, Not Magnetic

Every few hundred thousand years, the magnetic poles of Earth reverse. Rocks that contain iron provide a record of both normal and reversed magnetic poles. The pattern of normal and reversed magnetic poles as recorded in the ocean floor rock on either side of the Mid-Atlantic Ridge provides evidence supporting a model of convection currents in the mantle below that move in which way?

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Earth’s magnetic field is evidence for which of its following features?

• Solid iron inner core surrounded by fluid iron
• Crust made up of iron oxygen, silicon and magnesium
• Crust made up of iron, oxygen, silicon, and magnesium
• variable density and composition based on depth

The image shows a _________________

• Convergent boundary
• Divergent boundary
• Transform boundary

Tags

NGSS.MS-ESS2-3