L1: Rock Cycle
What is the rock cycle?
is the process by which rocks change into other rocks over time.
What are the four layers of the Earth?
Inner core
Outer core
Mantle
Crust
What are the three types of volcanoes?
Shield, composite, and cinder cone.
What is the epicenter?
The focus point of an earthquake.
What is magma?
Liquid rock found deep inside Earth.
What is the lithosphere?
Earth's crust and the solid part of the upper mantle.
How many (on average) volcanoes are there in the United States?
about over 150
What scale measures the magnitude of Earthquakes?
The Richter scale.
How are igneous rocks?
Rocks formed by magma.
What is the asthenosphere?
The soft, thick, fluid part of the mantle.
What is a seismologist?
Scientists who study earthquakes.
How many earthquakes have happened in California in 2026? (Closest answer wins)
8,499 earthquakes
How are sedimentary rocks formed?
Rocks formed by sediments or small bits of other rocks.
What are plate tectonics?
A scientific theory that describes the slow movement of the plates that make up the crust of the Earth.
What are plate boundaries?
Where tectonic plates meet.
What is the hotspot seismically active belt called?
How are metamorphic rocks formed?
Rocks formed by pressure and heat.
What was the comparison Ms. Chloe used to show the speed at which the plate tectonics move?
As fast as your fingernails grow!
What are faults?
Breaks in the Earth's crust where rocks can move past eachother.
In 79 AD, a volcanic eruption buried and preserved an enitre roman city. What was this event called?
Pompeii