Earthquakes
Most earthquakes occur here
What are tectonic plate boundaries?
Molten rock beneath Earth's surface
What is magma?
A place where blocks of rock move horizontally past each other
What is a transform boundary?
Preserved organisms or traces of once-living organisms
What are fossils?
Protecting, restoring, and managing natural resources so that they last as long as possible
What is conservation?
When an earthquake occurs, these are the first seismic waves to reach a nearby city
What are primary waves?
Molten rock that reaches Earth's surface
What is lava?
The type of mountain that forms when two continental plates push together.
What are folded mountains?
The type of rock that fossils are typically found in
What is sedimentary rock?
Any energy source, organism, or substance found in nature that people use
What is a natural resource?
An earthquake in the ocean floor causes a water wave to form. This wave is an example of a(an)
What is a tsunami?
A break in the lithosphere along which movement takes place
What is a fault?
A long line of mountains that were formed at about the same time and by the same process
What is a mountain range?
Measures the periods of Earth defined by major events
What is the geologic time scale?
A natural resource that can be replaced in nature at about the same rate it is used
What is a renewable resource?
A scale used to describe the amount of energy released by an earthquake
What is the moment magnitude scale?
An opening through which lava, rocks, and gases erupt
What is a volcano
What is a fault-block mountain?
The actual age of an event or object
What is absolute age?
A natural resource that exists in a fixed amount or that is used up faster than it can be replaced in nature.
What is a nonrenewable resource?
The point on Earth's surface directly above where rocks first start to move during an earthquake
What is an epicenter?
Hot springs that erupt and send hot water shooting into the air
What are geysers
Most of the world's major mountain belts are located here
What are tectonic plate boundaries?
The idea that Earth is an always-changing place and that the same forces of change at work today were at work in the past
What is uniformitarianism?
A nonrenewable energy source formed from ancient plants and animals buried in Earth's crust for millions of years
What is a fossil fuel?