Earth's Interior
Convection and The Mantle
Drifting
Continents
Sea-floor Spreading
The Theory of Plate Tectonics
100
The correct order ( starting from the surface) of Earth's layers
What is The crust, mantle, outer core, inner core
100
Transfer of energy through empty space
What is Radiation
100
The name of the supercontinent that existed millions of years ago
What is Pngaea
100
In sea-floor spreading, molten material rises from the mantle and erupts here
What is along mid-ocean ridge
100
Most geologists think that the movement of Earth's plates is caused by
What is convection currents in the mantle
200
A dense ball of solid metal
What is Earth's inner core
200
Heat transfer within a fluid takes place by
What is Convection Currents
200
This floats on top of the asthenosphere and is broken into pieces called
What is plates
200
Continually adding new crust to the ocean floor along both sides of the mid-ocean ridge
What is Sea-Floor Spreading
200
A place where two plates slip past each other, moving in opposite directions , is known as
What is transform boundary
300
The part of the mantle that is made of soft rock that bends like plastic
What is The asthenosphere
300
Scientists think that convection currents flow in Earth's
What is mantle
300
Geologists rejected Wegener's theory since
What is He could not identify the force that moved the continents
300
If subduction occurs faster than oceanic crust can be created, an ocean will
What is expand ( get bigger)
300
A collision between two pieces of continental crust at a converging boundary produces a. mid-ocean ridge b. deep-ocean trench c. rift valley d. mountain range
What is D. mountain range
400
Earthquakes produce these as it travels through Earth
What is Seismic Waves
400
When you touch a hot plate, the transfer of heat from the plate to your hand is called
What is Conduction
400
Which type of evidence was not used by Alfred Wegner to support his continental drift hypothesis? a. evidence from landforms b. evidence from fossils c. evidence from human remains d. evidence from climate
What is c. evidence from human remains
400
Process in which ocean floor sinks beneath a deep-ocean trench and back into the mantle
What is subduction
400
When continental plates pull apart at a divergent boundary on land, a ___________ forms
What is rift valley
500
Dark rock with a fine texture that makes up oceanic crust
What is Basalt
500
When the heat source is removed from a fluid, convection curents in the fluid will eventually
What is stop
500
By determining the age of rock samples obtained by drilling on the sea floor scientists discovered what?
What is That rocks farther away from the mid-ocean ridge where older than those near it
500
This part of the crust that is near the deep-ocean trench
What is older crust
500
Mid-ocean ridges are a. found in all of Earth's oceans b. found only in the Pacific Ocean c. located mostly along coastlines d. long deep-ocean trenches
What is a. found in all of Earth's oceans
M
e
n
u