Transcript Miscellaneous Earth`s Layers Volcanoes Earthquakes

Changes to Earth’s Surface Jeopardy
Earthquakes
Volcanoes
Earth’s Layers
Miscellaneous
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When rocks in a fault slide past
each other energy is released
and what occurs?
earthquake
An earthquake beneath the
ocean floor is known as a
___________
tsunami
What waves cause the most of the
damage that is done to buildings
during an earthquake?
Surface waves
What instrument detects
an earthquake?
seismograph
During an earthquake, why do S and P
waves arrive at detection points at
different times?
They travel at different
speeds
Volcanoes are ___________
formed by molten rock.
mountains
What is pushed to surface or
builds up in a volcano?
molten rock, or magma
Where do volcanoes most
often form?
Along Earth’s plates
boundaries.
What type of volcano is
formed by violent eruptions?
Cinder Cone
What 2 types of volcanoes erupt
on and off for millions of years?
Shield and Composite
Volcanoes
How many main layers
does the Earth have?
3
List the 4 layers of the earth from
the outer most to the inner most.
Crust, Mantle, Outer Core, Inner Core
The layer of the earth that extends
from the bottom of the mantle
to Earth’s center.
Core
What is part of the Earth’s crust and the
uppermost part of the mantle?
lithosphere
The stiff plates of the lithosphere
can move because…
The mantle has the
ability to flow
When a glacier stops moving forward
or melts what happens?
It leaves behind
mounds of rocks,
debris, and sediment .
220 million years ago the continents
formed a super continent,
scientists called this…
Pangaea
What is the removal and transportation
of weathered material?
Erosion
What happens to the Earth as a
glacier moves over its landscape?
The landscape is
smoothed out.
Where does sea-floor spreading occur?
along the mid-ocean ridge