Rock Cycle
This rock forms when lava cools and harden.
What is igneous?
This green and blue planet was formed 4.6 billion years ago.
What is the Earth?
This scientist discovered Pangea.
Who is Alfred Wegener?
Rocks that attract magnets.
What is Magnetic Rocks?
These rocks will most likely contain fossils.
What is Sedimentary rock?
This rock forms when sediments compact and cement together.
What is sedimentary?
This is the longest Era in Earths history.
What is the Precambrian Era?
This scientist found that uranium decays to lead.
Who is Arthur Holmes?
These are the main regions sand comes from.
What is Mountain Streams, Beaches, and Dunes?
This is the fraction of land on earth compared to water.
What is 1/3?
This rock forms when a rock changes due to heat and pressure.
What is metamorphic?
This was the second super continent.
What is pangea?
This scientist has a thermodynamic temperature scale.
Who is William Thomson Kelvin (Lord Kelvin)?
This is how you know sediments are being transported in rivers.
What is moving and being deposited?
These tests are used to classify rocks (name all eight)
What is acid test,color, luster, cleavage and or fracture, density, streak, hardness,magnetic?
These igneous rocks are formed outside earths crust.
What is an extrusive igneous rock?
This continent has one of the oldest rocks on earth.
What is Africa?
This scientist discovered the level of CO2 was rising 3.3 billion tons each year.
Who is David Keeling?
This rock is affected by dissolving.
What is limestone?
This rock was one of the only rocks 3.5 billion year ago.
What is Pillow rock?
Crystal foliation happens in this rock.
What is metamorphic rock?
This happened when the ozone layer formed.
What is the burst of life on land?
This scientist discovered the Pacific Mountain Range under water.
Who is Harry Hess?
This rock an intrusive igneous rock with a mineral composition that is between Granite and Gabbro.
What Diorite?
This compound makes rocks metallic.
What are sulfides?