What is an earthquake?
a shaking of the ground caused by the sudden movement of large blocks of rock along a fault
What is a volcano?
an opening in Earth's crust through which molten rock, rock fragments, and hot gases erupt
How many sets of wings does a triplane have?
3
What are fossils?
traces or remains of once living things from long ago.
What are the division of the Geologic Time Scale?
Eons, eras, periods, epochs.
What is a fault?
a fracture, or break, in the Earth's lithosphere, along which blocks of rock move past each other
What is pyroclastic flow?
a dense cloud of super hot gases and rock fragments that race downhill
What is a elephants tusks made of?
Ivory
What is the major difference between a fossil and an original remain?
and original remain is actually a part of the organism, a fossil is a representation of part of an organism
What are the three Eons of the Precambrian Time?
Hadean, Archean, and Proterozoic
What is used to measure ground movement from an earthquake?
Seismograph
What is a fault-block mountain?
A mountain that forms as blocks of rock are moved up or down along a normal fault
What does fortnite mean?
Fourteen nights (2 weeks)
What are the four types of fossils?
Molds and casts, petrified wood, carbon film, and trace fossils
What are the two carbons used in carbon dating and at what ratio are they absorbed?
Carbon 12 and Carbon 14. 1 C14 to every 1,000 C12
Who developed the first scale that measured an earthquake's magnitude?
Charles Richter
What are the three types of volcanoes?
Shield
Cinder
Composite
What are the three primary colors?
Red, Yellow, and Blue
Which fossil gives you the best picture of what the organism looked like?
carbon film
What was the original name for the Geologic Time Scale and who invented it?
The Geologic Column. Charles Lyell
Where do 80% of earthquakes occur
The Pacific Ocean
What is the definition of an active volcano?
A volcano that is erupting or has erupted in recorded history
What year did KPOP official start and what was the first KPOP group?
1992: Seo Taiji & Boys
What is a trace fossil and what can they tell us?
something left behind from an organism. They can tell us how the organism lived, how it acted, etc.
A bone contains 25% of its original Carbon 14. How many half-lives has the organism gone through and how old is it?
2 half-lives
11,400 years old