​ (a)   was proposed by ​ (b)   and suggested that the ​ (c)   are in constant motion.

• Continental drift
• Alfred Wegener
• continents
• Harry Hess
• Seafloor Spreading
• oceans

Tags

NGSS.MS-ESS2-3

The earth's plates, rigid slabs of rock, "float" on the ___ .

• asthenosphere

• lithosphere

• mantle

• granitic rock

Tags

NGSS.MS-ESS2-1

The earth's outer shell is divided into slabs of rock called ______ .

• continental plates

• crustal plates

• trench plates

• tectonic plates

Tags

NGSS.MS-ESS2-3

What is a driving force behind the movement of the plates?

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-1

Place each label in the correct category.

Groups:

(a) Continental Crust

,

(b) Oceanic Crust

• younger

• scarcely floats

• thicker

• less dense

• recycles

• older

Tags

NGSS.MS-ESS2-2

Match the following

• transform

• 
• divergent

• 
• convergent

• 

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Label the ages of the oceanic crust.

a

b

Continental crust

Older crust

Younger crust

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

At which plate boundary is new crust formed?

• divergent

• convergent

• continental

• transform

Tags

NGSS.MS-ESS2-3

What type of crusts are involved with one plate subducting beneath another?

• continental and continental

• Oceanic and continental

• oceanic and oceanic

• continental and convergent

Tags

NGSS.MS-ESS2-1

What types of landforms are formed at convergent boundaries?

PICK TWO

• volcanoes

• new crust

• Trenches

• rift valley

Tags

NGSS.MS-ESS2-2