Changes to Earth’s Surface Jeopardy
Earthquakes Volcanoes Earth’s Layers Miscellaneous
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When rocks in a fault slide pasteach 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 thedamage that is done to buildings
during an earthquake?
Surface waves
What instrument detectsan earthquake?
seismograph
During an earthquake, why do S and Pwaves 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 continentsformed 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