The Earth
Name the earth's layers from the center outward.
inner core, outer core, mantle, crust
The remains or imprint of an organism that lived long ago, preserved in rock
fossil
mountain ranges on the ocean floor are called ____________.
mid-ocean ridges
An opening in Earth's crust through which melted rock reaches the surface
Volcano
a rapid back-and-forth movement
vibration
Mountains, valleys, and hills are examples of ___________.
landforms
In which layer of the earth are convection currents happening?
the mantle
____________________ happens when new crust forms where magma rises at mid-ocean ridges.
Ocean-floor spreading
hot, flowing rock below Earth's surface
magma
Which is NOT a common location for earthquakes?
A. faults
B. mid-ocean ridges
C. polar regions
D. where plates meet
C. polar regions
"the study of the earth" is known as __________.
Geology
motion in air or liquid (specifically in the mantle when we talk about the earth’s surface) where warm portions rise, then cool, then sink, then repeat the cycle
convection currents
plates
What is the difference between magma and lava?
Magma is liquid rock under the earth's surface and lava is magma that has reached the earth's surface.
an area of volcano and earthquake activity around the Pacific Rim
Ring of Fire
This occurs when two plates collide and one slides under the other.
Subduction
Which is less dense: warm liquid or cool liquid?
warm liquid
What are the two different types of crust?
oceanic and continental
Name 3 things besides lava that exit a volcano during an eruption
volcanic ash, cinders, bombs
What does a seismograph measure?
the strength of an earthquake
Wind, waves, water, temperature change, and plants break rocks down into smaller particles in a process called ___________.
weathering
small particles that make up rocks, sand, and soil
minerals
Name the three types of plate boundaries
divergent, convergent, transform
What effect does temperature have on a gas under pressure?
an increase in temperature results in an increase in pressure
a crack in the Earth's crust is called a ____________.
fault