Plate Boundaries
Two plates that move away from each other is what type of plate boundary?
Divergent
Igneous rock are formed when _________ cools and hardens.
Magma/Lava
Process of sediments being taken from a location by water, wind, or glaciers, etc.
Erosion
What force causes tectonic plates to move?
Convection
Two plates that move toward each other is what type of boundary?
Convergent
These rocks form when forces such as water, wind and ice break down rocks into smaller pieces.
Sedimentary
Process that moves large bodies of earth materials to higher elevations
Uplift
The asthenosphere is
a) rigid and solid
b) hotter than Earth's core
c) flexible
c) flexible
Two plates that slide past each other is what type of boundary?
Transform
Metamorphic rocks are formed when extreme _____________ and ___________ within Earth change existing rocks into new rocks.
temperature and pressure
Process of rock hardening when minerals dissolve in surrounding water and crystallize between grains of sediment.
Cementation
What led Alfred Wegener to hypothesize that all land continents were once connected?
Fossil evidence
A subduction zone is an example of a structure caused by what type of boundary?
Convergent
Name one type of sedimentary rock.
Answers will vary.
Process of laying down eroded sediments in a new location.
Deposition
Convection currents occur because ______ fluid rises and _________ fluid sinks.
hot/ cooler
The Mid-Atlantic Ridge is a structure caused by what type of plate boundary?
Divergent
Name one type of metamorphic rock
Answers will vary.
Weathering
What evidence do we have for sea-floor spreading?