Convection Cycles Changing Earth's Surface Notes Review

Question 1

Convection currents occur when temperature differences cause fluid material to move.

Answer 1

Convection current in the mantle move Earth’s plates.

Question 2

Heat from the Earth’s core powers convection currents.

Answer 2

Cool sinks and hot rises

Question 3

Divergent move ________

Answer 3

away

Question 4

Convergent move _________

Answer 4

closer to each other

Question 5

Transform move ________

Answer 5

sliding against each other

Question 6

Divergent: Oceanic - Oceanic

Answer 6

Mid-oceanic ridge
Sea-floor spreading
Earthquakes

Question 7

Sea-Floor Spreading (info 1)

Answer 7

The process that creates new oceanic crust.

It occurs along ridges in the open floor that result from divergent boundaries.

Question 8

Sea-Floor Spreading (Info 2)

Answer 8

The crust breaks and magma oozes out and fills the space in between.

This forms new oceanic crusts.

Question 9

Divergent: Continental - Continental

Answer 9

Rift Valley
Earthquakes

Question 10

Convergent: Oceanic - Oceanic

Answer 10

Trench : at point of subduction
Volcanic Islands
Earthquakes

Question 11

Convergent: Oceanic - Continental

Answer 11

Denser Oceanic Subduct
Trench
fold mountains
volcano
Earthquakes

Question 12

Convergent: Continental - Continental

Answer 12

Earthquakes
Fold Mountains

Question 13

Transform

Answer 13

violent earthquakes