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Wednesday, January 12, 2011
Human Tic Tac Toe: Question and Answers
Question #1
What are the three
types of magma?
Answer:
Andesitic, Rhyolitic,
and Basaltic
Question #2:
What is the point within the earth
where faulting begins?
Answer:
The focus
Question #3:
What are large fractures in
The earth’s crust called?
Answer:
Faults
Question #4:
Give a location of where
sinkholes occur.
Answer:
Guatemala
Question #5:
What are the three
types of volcanic cones?
Shield cones,
Cinder cones,
and Stratovolcanoes
(or composite volcanoes).
Question #6:
What is a seamount?
Answer:
Underwater mountains
that are submerged islands.
Question #7:
What two factors about magma
control how big an eruption is?
Answer:
1.SiO2 content
2.Gas content
Question #8:
What method of getting rid of
radioactive waste did we
focus on the most?
Answer:
Dumping it into
Deep ocean trenches
Question #9:
How fast can an avalanche travel?
Answer:
They can reach 80 miles per hour
(130 kilometers per hour)
In about five seconds.
Question #10:
What is the name of the
smaller earthquakes following
a major earthquake?
Answer:
Aftershocks
Question #11:
What is an earthquake, anyway?
Answer:
The shaking/ vibrating caused by the sudden
release of energy within the earth.
Question #12:
What are the two types of
body waves?
Answer:
Primary waves and
Secondary waves
Question #13:
What are a couple of ways to
prevent an avalanche from
becoming a natural disaster?
Answer:
1.To make smaller avalanches with
explosives.
2. To prepare and predict (study
the snow).
Question #14:
How many earthquakes
happen in a year?
Answer:
More than 150,000
Question #15:
What is the point
Directly above the focus on the surface
of the earth?
(think EQ’s)
Answer:
Epicenter
Question #16:
What is the zone where
volcanic plates are moving
away from each other?
Answer:
Divergent boundary
Question #17:
What is an avalanche?
Answer:
When a heavy layer of new snow
is on top of a weak layer. It
causes the weak layer to fracture, causing
large quantities of snow to break
loose as a single slab.
Question #18:
What are the three
major causes of wildfires?
Answer:
1.Humans
2.Lightning
3.Volcanoes
Question #19:
What do you do if you
Were caught in an avalanche?
Answer:
Try to get off of the slab
Question #20:
Name three effects
of earthquakes.
Answer:
1.Building collapse
2.Fires
3.Tsunamis
4.Ground failure
5.Landslides
Question #21:
Which type of magma
is the most explosive?
Answer:
Rhyolitic magma
Question #22:
What scale are
earthquakes measured in?
Answer:
The Richter Scale
Question #23:
What are the four factors that
Must come together to produce a tsunami?
Answer:
A tsunami is triggered by an earthquake
And occurs when a slab of the ocean floor
breaks vertically along a fault.
Can also occur by a landslide.
Question #24:
Where do most earthquakes happen?
Answer:
The Circum Pacific Belt
Question #25:
Describe basaltic magma.
Answer:
Low SiO2,
Low gas content,
High temp.,
Low viscosity,
Shield cones,
Hawaiian Islands
Question #26:
What is the origin/meaning
Of the word tsunami?
Answer:
Japanese.
Means “seismic sea wave”.
Question #27:
What are the names of the three
Types of lava?
Answer:
Pahoehoe (ropelike)
Aa (Blocky)
Pillow (closed lava tube)
Question #28:
What are some negative effects of volcanoes?
Answer:
Pyroclastics,
Wildfires,
Mudsildes,
Earthquakes,
Tsunamis,
Landslides
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