Rocks
This type of rock is created from cooled magma
Igeous
This is the breaking down of rock into smaller pieces
weathering
This river runs through the Grand Canyon
Colorado River
Name the 3 main types of rock
igneous, sedimentary, and metamorphic
a relatively hard, naturally occurring mineral
rock
This type of rock is made from intense heat and pressure
metamorphic
This is the moving of rock by wind, water and gravity
erosion
This is how the Grand Canyon was formed
The Colorado River carved it over time by erosion
What is Pangea?
A supercontinent when the continents were connected many years ago.
This is material left behind by once living organisms
fossils
This type of rock is made from small pieces of sediment being cemented together
sedimentary
This is when rock, sand, silt is left in a new location
deposition
In what state do we find the Grand Canyon?
Arizona
which type of rock can become metamorphic?
sedimentary or igneous
What theory did Alfred Wegener find evidence to support?
Continental Drift Theory
This is the process of rocks changing from one type to another
rock cycle
This is the name of magma when it erupts above the Earth's surface
lava
What is the main thing that affects temperature in the Grand Canyon?
elevation (how high above sea level)
This type of rock looks like it has layers
sedimentary
This is the movement of Earth's tectonic plates
Seafloor spreading
This type of rock is formed when magma cools below the surface of the Earth
Intrusive igneous rock
This type of rock is formed when magma cools above the Earth's surface
Extrusive igneous rock
What can affect the air quality in the Grand Canyon?
emission from copper mines brought by wind,
vehicle emissions
forest fires
dust storms
What 2 things determine what type of igneous rock will form?
The composition of the magma and the rate at which the magma cools
The Grand Canyon is considered a ________
National Park
Wonder of the World
World Heritage Site