Earthquakes & Tsunamis
The cause of a tsunami.
How are igneous rocks formed?
When magma cools and solidifies.
Who is Pele?
The Hawaiian goddess of fire and volcanoes.
What happens when two tectonic plates meet and collide with each other.
Mountains are formed.
What is a fault?
A crack in Earth's crust.
The cause of an earthquake.
When tectonic plates get stuck and then suddenly move past each other.
What are sedimentary rocks made of?
Tiny bits of rock and sand mixed with the remnants of dead living things.
According to the story of Pele and Hi'aka, why do volcanoes erupt?
What is magma?
Molten rock.
The thin, rocky, outermost layer of Earth.
What is the crust?
What is an epicenter?
The point on Earth's surface directly above where tectonic plates suddenly slide past each other.
What are metamorphic rocks?
Former igneous or sedimentary rocks that were exposed to intense heat and pressure.
What is weathering?
When rocks are broken down into smaller pieces.
What is a volcano?
A mountain that forms over a crack in Earth's crust.
The supercontinent that existed before the continents began to drift.
Pangea.
The "magnitude" of an earthquake refers to...
How strong an earthquake is.
What is an example of an igneous rock?
Obsidian.
What are the two types of weathering? Provide an example of each.
Physical weathering: water, temperature
Chemical weathering: acid rain, oxidation
What is a seismograph?
A device that measures the vibrations caused by earthquakes.
Describe the outer core.
Liquid metal.
What is built up when two tectonic plates are stuck against each other.
Pressure and energy.
What is an example of a sedimentary rock?
Limestone.
How do volcano myths help explain volcanic activity?
The provided meaning and a reason behind why terrible volcanic explosions occurred that people could understand before modern science.
Why does Japan experience so many earthquakes?
Describe the inner core of Earth
Extremely hot metal.