Ocean floor features. The ocean floor is as diverse as the topography of the continents.
Ocean Floor - YayScience › static › media › uploads › 6th Grade › Oceans › … · Ocean...
Transcript of Ocean Floor - YayScience › static › media › uploads › 6th Grade › Oceans › … · Ocean...
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Ocean Floor
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Ocean Floor Lab• Each group will create & label a model of the ocean floor.
• The model must be completed today.
• There are 8 elements that must be included. Each person
must design and label at least 2 elements.
• All of the clay stays in the tray.
• The lab is worth 16 points: 2 points for each ocean
feature.
• Inappropriate lab behavior = Points taken off grade for
the lab. Possible ISI for disrespecting lab materials.
• The team to build the best model gets a Snake Bite!
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The Ocean Floor
• Oceanographers
discovered the shape of
the ocean floor by
measuring the depth of the
floor in many places.
• Early tools included lead
weights lowered on ropes
or cables to the ocean
floor.
• Today, sophisticated side-
sonar and satellite data are
fed into computers.
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A Note About Ocean Models• All models of the ocean floor show features with
vertical exaggeration – the models are taller and
steeper than they actually are.
• If models were drawn to scale, they would need to
be very large.
• The Pacific Ocean is 6,000 miles wide and 6 miles
deep in some places. If you made a model where 1
foot = 6 miles, the model would be more than
1,000 feet wide and more than 3 football fields in
length.
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Ocean Floor VocabularyA. Shoreline: line which marks the edge of the
ocean water
B. Continental Shelf: shallow, submerged part of the continent just off shore
C. Continental Slope: land from continent’s end to ocean floor
D. Trench: narrow, very deep valley
E. Guyot: underwater volcanic mountain
F. Abyssal Plain: flat, nearly level areas; forms most of the ocean floor
G. Ridges: great underwater mountain ranges
H. Rift: valleys between ridges
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shoreline
continental shelf
continental slope
trench
abyssal plain
guyot
ridges
rifts
Ocean Floor Model #1
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Ocean Floor Model #2
Continental
shelf
Continental
slopeAbyssal
plain
Trenches
RidgesGuyot
Rifts
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Ocean Floor Model #3
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Ocean Floor Model #4
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Design & label the ocean floor that
includes the following features
A. SHORELINE
B. CONTINENTAL SHELF
C. CONTINENTAL SLOPE
D. TRENCH
H. RIFT
F. ABYSSAL PLAIN
E. GUYOT
G. RIDGES
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Materials
Each team will receive
the following:
• One tray
• Wax paper
• Toothpicks
• Scissors
• Tape
• Labels of ocean floor
vocabulary
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Procedures
• Most important part of
this process is the
way your team works
together
• Each person should
take a turn doing a
job
• Line your tray with
wax paper
• Place the dough on
the paper
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Make a plan
• Take time to press
out the dough
• Give yourself an even
layer to play with
• Remember the
different models
• Which design will
your team create?
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Work Together!
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Start to Create
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Remember the labels
• This picture only
shows 6 labels
• Your team needs all 8
to receive full points