Measuring Earthquakes
Name of the scale that the news uses and the one that gets most of the credit
Richter Scale
How many types of stress are there?
3
Where in the Earth does the rock slip and break called?
Focus
How many types of faults are there?
3
True or False: Do we always see the same side of the moon?
TRUE
Which scale do geologist prefer to use?
Magnitude Scale
Type of stress pulls rock apart
Tension
Name the 3 types of seismic waves?
Primary
Secondary
Surface
What type of fault is created during shearing stress?
Strike Slip Fault
What are the 3 things needed for plants to use photosynthesis?
Sunlight
Water
Carbon Dioxide
Name all 3 types of scales that geologist use.
Mercalli
Richter
Magnitude
What type of stress happens during a reverse fault?
What two tectonic plates meet that cause most of the earthquakes to happen in the west coast of the USA?
North American Plate and Pacific Plate
What type of fault is created when tension stress is applied to Earth surface?
Normal Fault
What is the largest biome in the world?
Ocean
What is the difference between the Mercalli Scale and the Magnitude Scale?
Mercalli measures shaking and damage
Magnitude measures the total energy
What type of stress happens during a strike slip fault?
Shearing
What type of seismic wave can travel through a solid, but NOT through a liquid?
Secondary Waves
S-Waves
What famous fault is found in California?
San Andreas Fault
How far is the Earth from the Sun?
93 million miles
What is the magnitude of the strongest earthquake recorded in Earth history?
9.5 magnitude
Name all 3 types of stress and explain the direction for each one.
Tension - pull apart
Compression - push together
Shearing - slide past each other
The most severe earthquake happened where in the world? And what year?
Chile - 1960
Name all 3 faults and how each one is different.
Normal - pull apart
Reverse - push together
Strike slip - slide past each other
Name the 3 types of heat transfers
Radiation
Conduction
Convection