This method of dating is used when scientists are trying to compare the ages of two rocks.
What is relative dating?
100
This hazard is typically found in areas with a lot of mountains.
What are landslides?
100
The Great Valley province has these two hazards.
What are floods and earthquakes?
200
This type of rock is made from the cooling of magma or lava.
What is igneous rock?
200
This method of dating is used by scientists to get the exact age of a rock.
What is absolute dating?
or
What is radioactive dating?
200
This hazard is usually found in flat areas with rivers and a lot of rainfall.
What are floods?
200
This province contains both valleys and mountains.
What is the Basin and Range province?
300
This type of rock can have ribbon-like layers.
What is metamorphic rock?
300
The time it takes for one half of the sample of atoms to decay into something new.
What is half-life?
300
Tsunamis generally occur in this area of California.
What is the coast?
300
This province contains the San Andres Fault.
What is the Peninsular Ranges province?
400
This process creates sediments.
What is weathering and erosion?
400
This is the percentage of the original atoms left after 3 half-lifes.
What is 12.5%?
400
Fault lines are evidence of this hazard.
What are earthquakes?
400
This province is the only one with volcanoes and floods as its hazards.
What is the Modoc Plateau province?
500
In order to create metamorphic rock, you need these two things.
What are heat and pressure?
500
This is the name of the law that describes how older rocks are found in the bottom layers and younger rocks are found in the top layers of a sedimentary rock.
What is the Law of Superposition?
500
This hazard is found in areas offset from converging plate boundaries.
What are volcanoes?
500
These are the two hazards that can be found in the Cascade Range province.