Science Chapter Test 5/5 Flashcards
(25 cards)
Name the 7 Continents
North America, South America, Asia, Africa, Antarctica, Europe, Australia
Name the 5 Oceans
Atlantic, Pacific, Arctic, Indian, Southern
What object did Alfred Wegener say the continents looked like after they drifted apart?
Jigsaw puzzle
What is a volcano?
A vent in the Earth’s crust where molten rock, or magma, can erupt and reach the surface, becoming lava
What causes earthquakes?
The sudden movement of the passing of the Plate Tectonics moving among the earth’s crust.
T/F Seafloor spreading takes place in deep ocean trenches.
False
T/F Mid ocean ridges occur at mid divergent boundaries.
True
T/F In the mantle hot material sinks while cooler material rises.
False
T/F Pressure increases inside from the crust to the core.
True
T/F There is no evidence that seafloor spreading really happened.
False
Which type of boundary has 2 plates that move past each other in opposite directions?
Transform
Continental plates that move apart form a ____ valley.
Rift Valley
Continental crust is made mostly of this type of rock.
Granite
________ is the transfer of energy through space.
Radiation
________ is the transfer of heat between objects that are touching.
Conduction
Earth’s plates move because of ______ currents.
convection currents
Subduction happens at ______ trenches.
Deep ocean
A boundary where 2 plates push together is called ________ boundaries.
Convergent
What happens in seafloor spreading?:
A. Old rocks are pushed into the ocean
B. New rocks form
C. New rocks sink into the mantle.
B
The process in which continents slowly move.
continental drift
Which transfer of heat moves the particles of fluid?
convection
Earth is like a giant magnet because of convection currents in the ________.
outer core
Oceanic crust is made out of _______.
Basalt
Which of the earth’s surface is the thinnest?
Core
