Monday, September 28, 2009
Oceans
Over the past several weeks, we've been studying oceans. We've learned all kinds of new information. In your post this week, describe three things you've learned about oceans so far. One of the skills we've been talking about in writing is elaboration. Instead of saying "I've learned about currents," tell me/us what's exciting about currents? Do you have a new fact to share? Explain your thinking so it's deep like the ocean! :-)
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What I've learnd about is plankton upwelling and submersible. I've learned thet plankton are microscopic animals that turns in to either plants or animals. Upwelling is a type of thing that floats to the surface of the ocean or any type of water really. Submersible is any device that can sink and float and just stay level in the water for a certain amount of time.
ReplyDeleteI learned how the currents are made when we did a science investigation. The wind moves the water, then bumps into something like a continent and travels to either side forming a circle and repeating this. I also learned that plankton grows into something larger, like a crab, snail, or sea star. I learned the meaning of salinity too, it is the amount of salt in the ocean.
ReplyDeleteRachel
Three things I leared about oceans are:
ReplyDelete1. Surface currents can be up to 400 feet below the surface.
2. Scuba divers need alot of equipment.
3. Fish fins are like the wings on an airplane.
Elena
I have learned about salinty. Salinty is the amount of salt in the water. I have also learned that it has more density when it has more salt. I've learned this from the science project with the hydrometer.Currents can be at the surface of the water or deep in the water. I thought that was amazind and wierd. I can't belive how many curents can be in the world.I have also learned that salt water overs 96% and fresh water covers 4% of the water on earth. I have learned a lot in science this month!
ReplyDeleteKatey
Three things I have learned in Oceanography is plankton which are small microscopic sinle selled animal and it also comes in Zoplankton and Pitoplankton. The Zoplankton means when they grow up they turn into little sea creatures. Phitoplankton means that they turn into plants such as seaweed. another word is Uelling and it means when nutrients sinks to the bottom when the current hits a sill and brings the nutrients for plants to the surface. And my last word is Slinity Slinity means how much salt is in the Oeans. Tanner
ReplyDeleteOne thing I have learned from our ocean unit that really astonished me was how the ocean became salty. The ocean became salty with the help of precipitation, evaporation, condensation, and collection. When it rained the water would pick up things like rocks, sand, soil. All of those things contain salt and other minerals. So when the rain water went back into the ocean, (since salt does not evaporate), and that kept happening over millions and millions of years the ocean became salt water instead of fresh water.
ReplyDeleteAnother thing I learned that really astounded me was that there were two different kinds of currents. There are surface currents that are 100-200 meters deep. Surface currents only take up 10% of oceans water. Also that surface currents are mostly warm and move in constant circles. Quite unlike deep water currents.
Deep water currents are more than 400 meters deep and are always cooler or colder than surface currents. Deep water currents move a lot more than surface currents. Actually deep water currents can travel all over the world. From the Indian Ocean to the Arctic or Southern Ocean. Out of all the things I learned about currents the most interesting was that currents never stop moving. They continue to repeat their same pattern over and over again.
Also I learned that life is only possiable if there is water were you live. Since that ocean water covers 71% of the earth’s surface life is possible on what some people call the Blue Planet. The biggest ocean on the earth is the Pacific Ocean. It is 64 million square miles big. The Atlantic Ocean is the busiest. Although it is half the size of the Pacific Ocean (32 million square miles) it is the busiest by far. More ships travel from country to country through the Atlantic Ocean.
The Southern Ocean (even though some people think that it is not an ocean) most scientist believe it is. It is only 20 million square miles, and super cold. The Indian Ocean is half the size of the Pacific. It is 32 million square miles. Last but not least we have the smallest ocean, the Arctic Ocean. It is 5 million square miles. Even though it is the smallest ocean 5 million square miles it not very small.
Lastly I would like to talk about water. Only 4% of the earth’s water is drink able. That means that 96% of the water is off limits. We need to use that 4% of water wisely. Even if it is a lot of water. For example when you brush your teeth and keep the water running you waste about a gallon of water. Next time you brush your teeth try turning of the water for a change and if a million people do that we just saved a million gallons of water. It is that simple. Just turn the water of and you can say you help save the planet one way or another.
Molly
I learned that fidoplankton were plants and zooplankton were animals. This was interesting to me because I thought all plankton were animals. Upwelling was also really intersting to me because of the fact that everything in the ocean depends on this movement of water! We wouldn't have plankton, whales or aquatic plants without it.
ReplyDeleteI learned at the science center in Seattle that most currents in Puget Sound are created by sills and depth change. The water will flow down a hill in depth change and create a current. This is also how nutrients gets to really deep water. The exhibit was really cool because it was a giant tub of water that had a model of the bottom of Puget Sound. There were little buttons that you could press and ink would come out and follow the currents. :o
Bennett:)
One thing I learned this month about is that surface currents on the Northern Hemisphere turn around clockwise and surface currents on the Southern Hemisphere go counterclockwise an I thought that was very cool.
ReplyDeleteAnother Thing I learned was that there was a 5th ocean called the Southern Ocean and that was a pretty interesting fact.
One more thing I learned this month is that there are 2 species of plankton, Fidoplankton and Zooplankton which led to me learning that Zoo plankton is pronounced ( Z-O-) plankton and not ( ZOO ) plankton.
I also learned a new cool sounding word called SALINITY. At first I thought that salinity was a fancy way to say salt but I found out that it actually means how much salt is in water or any other liquid.
Anirudh
I also saw the exhibit at the science center over the summer Bennett, it was cool.
ReplyDeleteAnirudh
1. I didn't know that there were so many species of marine animals.
ReplyDelete2. Scuba actually stands for something.(Self Contained Underwater Breathing Apparatus).
3.I didn't know that scuba divers saw so much underwater(from the feild trip).
From Eric
ReplyDeleteOne thing I learned about oceans is that plankton are tiny tiny creatures that drift along in the ocean. They are so tiny that if you try to catch them in a net that has tiny holes, they still might escape from the net. There are two types of plankton, fidoplankton and zoplankton. Fidoplankton are plants that many predators/enimies will eat. Zoplankton are animals that also can be eaten. I remember the difference because zoplankton have zo on it which is like zoo and thet have animals in the zoo, so they are animals. That leaves fidoplankton to be plants.
ReplyDeleteAnother thing I learned was that salinity is how salty the water is. When we went on the boat field trip, when we went to the station to take water samples, we were trying to figure out how salty the water was. We were all giving ideas untill the guide said "How about this idea?" and she drank some of the water. She said it was pretty salty. WE also tried using a hydrometer to tell more accuratly how much salt was in the water. We ran out of time before we could figure it out so we didn't get to find out how much salt was actually in the water. :(
The third thing I learned was that 96% of the earth is covered with saltwater, and only 4% of the earth is freshwater! So that means that we need to use that 4% wisely. For example when you take a shower you use probably 10 gallons of water or more. So for a change when you take a shower you could make it a little shorter and save some water. If millions of people do that we can save millions of gallons of water.
I have one more thing. DON'T POLLUTE OUR WATER! If you pollute our water there won't be tons of life in the water. Our water is homes to fish, sharks, whales, crabs, plants and more. There are simple things we can do to help. For example, ride your bike or walk to school. Then we wont waste gas or fuel or anything. And nothing will go down the drain! If you didn't know the drains lead to the ocens, lakes, rivers and more. If we can stop polluting, we can do anything.
Brooke
A couple things that I learned about oceans this week is that plankton are little sea creactures that drift along in the ocean and that they dont have to be under a microscope to be seen.
ReplyDeleteAnother thing I learned this week is that there are alot of things that we can do to help the Pudget Sound keep its waters clean and save the marine life that live in the water. We can recycle and we can call an oil company when we change out our oil and then not just dump it in the drain and then wash it into the Pudget Sound.
The last thing I learned about oceans this week is that S.C.U.B.A actually means something, it isn't just a word. It stands for Self Contained Underwater Breathing Apparatus. Now dont fool yourself into thinking that it means Some Come Up Barely alive. That is definately not true.
Bella
I have learned that animals depend on other animals to live. An example is fish, with fish when a predator comes he doesn't know which one to get. Another thing that I have learned is how they camaiflog. Most animals camiflog with its suroundings all the time. The other thing that I have learned is that they are like us. The ocean life is normaly food but now it is clear that it is a world of its own.
ReplyDeleteRyan
The ocean is home to thousands of plankton. Some turn into phytoplankton which are plants and some tun into zooplankton which are animals. A sill causes the saltwater to mix with freshwater and causes upwelling. Upwelling helps the nutrients get up to where the plankton can feed on them. A hydrometer is used to measure the density of the water. This is also the amount of salt in the water.
ReplyDeleteBobby
I learned what SCUBA means. At first I thought scuba diving is just diving with gear. I never knew that SCUBA is an acronym. I also learned there are two different types of plankton, phytoplankton (plants) and zoplankton (animals). At first I thought that plankton just grew into animals because there seems to be a lot of plankton in the ocean. I also learned about density, which saltwater has more density than freshwater. I found interesting saltwater covers 96% of the earth and fresh water covers 4% of the water on earth.
ReplyDeleteChandler
Three things I learned about the ocean are upwelling, plankton and how divers can get the bends. For example, upwelling means the water from the bottom of the ocean gets pushed up a sill and mixes with the water on the top. I also learned that there are two types of plankton, zooplankton and phytoplankton. Zooplanktons are animals and feed on phytoplanktons which are plants. Finally, the last thing I learned was how a diver can get the bends. The bends is an injury where a diver comes up to quickly and gets nitrogen bubbles in their blood. Hardly any divers survive the bends. To prevent it you have to get put in a high pressure room or a hyperbaric chamber. Those are the three things I learned about the ocean.
ReplyDeleteAndy
I have learned that surface water currents can be up to four hundred feet below surface; deep water currents are always cooler than surface water currents.
ReplyDeleteOne sad fact I came across is that the orca population goes up one year and the next year it goes down. I am very unhappy that this year it is down with one orca whale.
I have also learned about zooplankton, and phytoplankton. Zooplankton is animals hence the word zoo (animals), and phytoplankton is plants.
Another interesting thing I have learned (it is thing #4, but I still want to mention it here) - only 4% of water on the Earth is fresh and drinkable and the rest 96% is salty.
Michelle
I didn't know that S.C.U.B.A was an acronym for Self Contained Underwater Breathing Aparatus. I thought scuba was another name for diving. I thought it was interesting that there were so many species of starfish that live in the Puget Sound which we live close to. The new species of starfish that I thought was interesting was the Deathstar because it eats other starfish. I was amazed of what the scuba divers saw at our field trip. I never thought that you could see so many marine animals such as starfish, sea anemones, sea cucumbers, flownder and, striped fish to name a few.
ReplyDeleteEric Helke
One thing I learned about the ocean is that there are three sills in Puget Sound. It pushes ground water to the top. This process is called upwelling. That is why sills are so useful.
ReplyDeleteI am really amazing that at deepest Puget Sound is two Space Needles tall. It is this gigantic because a long time back glaciers moved into Puget and carved it really deep. That is why Puget Sound is so deep.
Another thing I learned is there are two types of plankton. Their names are zooplankton and phytoplankton. Zooplankton are animals and phytoplankton are plants. Zooplanktons eat phytoplankton.
Those were some things I learned about the ocean.
Rithvik
I learned three things about the ocean on our field trip.
ReplyDeleteI learned about plankton. I never knew that plankton were wimpy swimmers and had to drift. I also did not know that most zoo plankton are clear.
I also learned about the sea cucumber. I learned that they eat everything off the bottom floor and make the sand clean.
I learned about the red rock crab, also. It is one of the strongest crabs in Puget Sound. It can break your fingers with one pinch!
I learned a lot from this field trip.
Dana
One thing I learned is that there are lots and lots of currents and they don't stop moving. another thing is that we shouldn't hurt the sea live in the sea. The last thing is that I leared is that there is many different sea live that call Puget Sound home.
ReplyDeleteKatie
The first thing I learned is that the ocean is filled with many differen't creatures like the puffer fish.Sencond, that the tempature is so cold sometimes that you could get killed in abount an hour for beimg to cold. The last thing I learned was, that the ocean is a wonderful thing and people are starting to pollute it and all the sea creatures will die, and the ocean will have no life.
ReplyDeleteAlexa
I have learned a lot of things about oceans in the past several weeks. Some of these things were what scuba means, the reason salt is in the water, and density.
ReplyDeleteScuba is not just a randome word that means diving. SCUBA is, like chandler said, an ancronym. It stands for Self contained underwater breathing apperatous. I did not know that scuba stood for something at all!
The reason the ocean is salty is because it has been through the water cycle so many times that it got salt mixed into it. The water picked up the salt as it went throught the water flow. I thought that the reason wouldn't be as explained or something like the salt comes in the water. But really, it just picked it up as it went.
The definition for density is the amount of stuff packed and mixed into the water. The way you measure density is by using a hydrometer like we did for our science experiment. We figured out that the highter the density is, the easier something will float. It was very interesting to learn about density.
These are three interesting things that I learned about oceans.
Megan
I have learnd that there are 7 oceans including the Southern ocean. There are also differnt currents, under water currents and surface currents. I learned Flounders eyes are on top of their head and there are thousands of creatures in the ocean. The ocean has been very exciting to learn about. Peter
ReplyDeleteI have learned many new thing about oceans!
ReplyDeleteI learned that scuba means; self contained underwater breathing aporatus.It was awesome wne Mr. Schaffer came in and told us all about scuba. We got to sea and touch all of the equipent it was awesome!
ReplyDeleteKatey
I learned that there are surface currents and under water currents. I also learned that SCUBA means self contained under water breathing aperatus. Did you know that evrything you dump in the sewer goes to the Puget Sound?
ReplyDeletepeter