Friday, November 5, 2010

2nd Marking Period Blog Project


13-3


Ttitle: The Theory Of Seafloor Spreading


Heading: New Technology and Seafloor Knowledge


Introduction: 
  • How did invention of Sonar contrbute to information about the ocean bottom? It allows you to "see" through long distance underwater.
  • What are mid-ocean ridges, rift valleys, and trenches? The portion running through the middle of Atlantic Ridge. This was one of the frist mid-ocean ridges discovered. Scienttisrs also discovered trenches, which are deep ravines in the seafloor and rift vallage, which are deep valleys running through the center of the Mid-Alantic Ridge and other mid-ocean ridges. They began to notices patterns in the mid-ocean ridges, trenches, and rift valleys the proved pivotal in developing new theories.
Every 1st sentence: At about the same timeWegener proposed his theory of continental drift and partly in response to Titanic disaster, a new technology was bornthe would change what we know about the seafloor


Visual and Vocabulary:

Ring of Fire
this is the major earthquake and volcano zone the extends around the edge.
(This is the major earthquake and volcano zone that extends around the edge of the pacfic ocean)

End of Reading:
True or False
1.Scientist cant recognized that they could map the ocean with a Sonar
.
.
.
.
FALSE

2.They began to notice patterns in the mid-ocean redges trenchs, and rift valleys that proved pivotal in developing new theories
.
.
.
.
TRUE

Multiple Choice
1.What is the major earthquake and volcano zone that extends around the edge of the pacfic?
a.ring of water
b.ring of fish
c.ring of fire
d.lord of the rings :)

2.What did Scientists discovered about the Ridges?
a.apples,bannanas,grapes
b.money in the bank
c.people
d.mid-ocean ridges, trenches, rift valley

Fill in the blank
1.Trenches are found around most of the _______
.
.
.
.
Pacfic Ocean

2.The frist seafloor map was made during the ________ expedition
.
.
.
.
Meteor

Summary: Scientics found a



Thursday, October 14, 2010

a.


b. All the materical needed to bulid the submarine
  • 20 oz. Plastic bottle
  • 24 Pennies
  • 3 Wide rubber bands
  • Aluminum foil
  • Adhesive tape
  • 1 Large tub of water
  • 1 Flexible straw (that bends near head of straw)
c.

Thursday, September 30, 2010

Research Portion of Submersible Project

side view of Alvin underwater Alvin is the frist deep sea submersible that can carry passengers (people).  The maximum depth that Alvin can go down underwater is 14,764 ft. Alvin is like a space shuttle on space but Alvin is made for deep sea submersible that researchers can research undersea. Alvin weighs 37,400 lbs but so it can go deeper in the ocean and it runs by an electrical system powered by lead-acid batteries. And the air to breathe in the Alvin is five hydraulic thrusters.
three person submersible Clelia
Clelia is a still submersible that have video cameras, Two 500-watt metal halide lights so you can see underwater, andtake picture under the sea. it can lift up samples under the sea that weigh 150lbs. Clelia is balanced in midwater and it does not go all the way down to the bottom of the ocean. it can go down to 30-ft deep in the ocean.

Underwater view of RCV-150 as it is deployed from its steel cage. RCV-15 (ROV) can go less than 3000ft depth underwater. RCV includes a color video camera with zoom and focus controls, 1500 watts of lighting, micro CTD, Tritech imaging sonar, and a simple manipulator with a six inch cutoff wheel. RCV s controlled by a single pilot from a control console located in the tracking room of the support ship. It looks like a deep water operations inside its steel cage.






ROV Jason heading to work.
Jason (ROV) is a system where scientic can get research of the sea floors. Jason are designed to operate to a maximum depth of 6,500 meters (21,385 feet).