Andy Carvin:When you get caught up in the hype, it’s easy to forget a very basic
axiom: if you’re going to make a fundamental shift in how students and
teachers access technology, you better be prepared to make lots of
other fundamental shifts in how you assess and teach students.
For one thing, those standardized tests used as bellwethers of
progress aren’t crafted to assess the kinds of learning that take place
with certain technologies. Laptops bring four big opportunities to the
table: opportunities for equal access, mobility, individual creativity
and for collaboration. Many of these laptop programs focus a lot on the
first opportunity - promoting equal access - and bless their hearts for
it. But unless educators are in a position to embrace and encourage the
other three, you’re missing out on most of the benefits that can come
from a laptop program.
I’ve lost track of the number of times I’ve seen students using
their laptops in the classroom as if nothing else had changed, lined up
in neat rows, each laptop on a desk, with students listening to a
teacher lecture or taking a test on the laptop. Those aren’t laptops -
those are expensive pencils. Of course you’re not going to see
achievement improve when pedagogical practices aren’t rethought from
the ground up! Where is the boldness, the pedagogical imagination
required to put these devices to use to reach their teaching potential
- and students’ learning potential, for that matter?
Mojiti: Hello Diigoians - 0 views
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Hello Diigoians
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Testing:
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Annotated video playing in sticky note:
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Video test playing in sticky note:)
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hehe
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test - 2 views
test
Density - Wikipedia, the free encyclopedia - 0 views
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"The density of iron is 7.87 g/cm."
~ Jefferson Lab, http://education.jlab.org/faq/index.html
"Because of salinity and temperature variations, the density of seawater ranges from about 1.02 g/cm3 to 1.03 g/cm3."
~ Glencoe Earth Science. Ohio: McGraw Hill, 2002: 395.
The ability of an object to float or sink in a liquid depends on its density. Less dense substances float in denser liquids and denser substances sink in less dense liquids.
You are the captain of the new submarine "Elizabeth X", and a young sailor on board with you has never learnt physics. He is intrigued to realize that a submarine made of heavy metal such as iron, holding so many heavy objects and people can float and sink at will in water.
Help the young sailor understand why an iron submarine can float and sink in water.
In your answer, you should illustrate and explain the concepts of density, mass and volume as the young sailor has never learnt physics before.
The submarine is currently submerged. What will happen to the submarine (will it float or sink deeper) if the temperature at sea drops to -25 degrees Celsius?
Chinese Golden Age - Wikipedia, the free encyclopedia - 0 views
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One afternoon, you hear two of your classmates quarreling with each other over the achievements of the Golden Ages of India and China.
Student A: "India's Golden Age had a more lasting impact!"
Student B: "No! China's Golden Age was more significant than India's!"
Their argument becomes increasingly heated and you, being the most fair and just person in class, decide to step in to resolve their conflict.
Compare and contrast the achievements of India and China's Golden Ages. Find at least one similarity AND one difference.
Wu Zetian - Wikipedia, the free encyclopedia - 0 views
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"Qin Shi Huang a controversial leader, with contradictions ranging from a brutal tyrant to a peculiar but great leader, and the eternal emperor in China… …"
~ ~China City Guide, http://www.cnhomestay.com
"To some she was an autocrat, ruthless in her desire to gain and keep power. To others she, as a woman doing a "man's job," merely did what she had to do, and acted no differently than most male emperors of her day."
~ Women in World History Curriculum, on Empress Wu Ze Tian
From your previous research into the Qin and Tang dynasty, the TV producer notices that Emperor Qin and Empress Wu are prominent rulers of the time. He is interested in doing a sequel to his documentary and has engaged you again to help him compare and contrast the rule of the two controversial rulers- Emperor Qin Shi Huang and Empress Wu Ze Tian.
Compare and contrast the rule of Qin Shi Huang and Wu Ze Tian. Find at least one similarity AND one difference.
Tang Dynasty - Wikipedia, the free encyclopedia - 0 views
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" Remembered as the ruler who united the seven warring clans of ancient China in 221 BCE, Qin Shi Huangdi's reign was marked with great advances in all sections of society… …"
~ Wilson, University of Texas at Austin
"The Tang Dynasty (618-907), traditionally regarded as the golden age of China, was a time of patricians and intellectuals, Buddhist monks and Taoist priests, poetry and music, song and dance."
~ Charles D. Benn, China's Golden Age: Everyday Life in the Tang Dynasty
A TV producer from Discovery Channel is interested in making a documentary about the glorious Qin and Tang dynasties in China's history. He has engaged you to help him compare and contrast the important achievements of the two dynasties.
Compare and contrast the achievements of the Qin and Tang dynasty. Find at least one similarity AND one difference.
Maurya Empire - Wikipedia, the free encyclopedia - 0 views
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"As Man sought to conquer more lands and unify their country, great empires like the Mauryan Dynasty and Qin Dynasty were formed…"
A new time machine has been invented by a young scientist. He wants to travel back in time to meet the rulers of great empires, and is asking you, a historian of ancient dynasties, for help. What should he expect when he is there?
Compare and contrast the government of the Mauryan and Qin Dynasty, to help the scientist get ready for his journey. Find at least one similarity AND one difference.
Decomposer - Wikipedia, the free encyclopedia - 0 views
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For long it was believed that Man was alone in the universe. This belief was changed early morning 04.08.2010. The Planet Earth was invaded by the aliens from the planet Kootong. All the governments are taken hostage and the only organization still fighting the aliens is the United Nations (UN). The UN has set up a secret base where our forces are being regrouped and are now ready to retaliate. However, the aliens have found out about our plans, and they intend to force us to surrender. They have given us an hour to do so, if not, they threaten to wipe out all the decomposers from Planet Earth with their biochemical weapons. It is now up to you to help us save our home planet.
Your task is to find out what the consequences will be if all the decomposers are removed from the carbon cycle and the nitrogen cycle.
Osmosis - Wikipedia, the free encyclopedia - 0 views
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A friend of yours comes to you crying, explaining that she had just witnessed a horrible death… She had just bought a pair of goldfish for her father on his birthday and when she placed them into the aquarium, she saw them shrink and die! After calming her down, you manage to find out from her that her father is a marine-fish lover and she had bought the goldfish from a freshwater aquarium. Being the curious investigator, your pathologist instincts pick up the clues. You assure your friend that you can explain to her what had happened to her goldfish.
Investigate and explain the mysterious and tragic death of the goldfish. Predict also what would happen to saltwater/marine fish that is put in fresh water.
Nephrotic syndrome - Wikipedia, the free encyclopedia - 0 views
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You are doing a holiday job at a nearby dialysis centre. Looking at the tedious procedures that the patients go through everyday has heightened your compassion for them and increased your alertness to health conditions.
One day, you begin to notice that more and more patients are coming back to the dialysis centre for help as they are developing the nephrotic syndrome (doctor's diagnosis). Looking at the patient records, you discover that these are patients who have just come for dialysis a few days ago, or even everyday! "This is unusual!" you think, and begin to investigate further.
The senior nurse who is usually in charge of the dialysis machines is on medical leave so you speak to the new assistant, Lena. Lena, flustered and fearful, quickly explains to you that she has tried to make sure everything was done the same way the senior nurse taught her to. You take a look around the machines, her office and the storeroom. Indeed everything seems fine, except for the messy organization of the bags of the dialysis fluids.
Investigate what has happened at the dialysis centre and explain why the patients developed the nephrotic syndrome.
Atherosclerosis - Wikipedia, the free encyclopedia - 0 views
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Boing! Boing! Boing! You dribble the basketball towards the three-point line. "Dribble… dribble… ai-i-im…. Shhoo- !" "Timothy!" "Shucks! I was just about to get my 3-pointer!" you exclaim as you turn to look behind at your teammate who shouted. To your shock you see that the best basketball player in your team, Timothy has fainted and the team is gathering around him.
The ambulance arrives and some of you follow Timothy to the hospital. The doctor's preliminary diagnosis is that Tim has just suffered a heart attack, likely due to atherosclerosis. Tim's mother arrives at the hospital shortly after and is shocked by the doctor's diagnosis. Timothy is tall and slim-built, does not smoke and seldom falls sick. He's the team's star player and many believe him to be the fittest. How can he have suffered a heart attack? Just then, one of your team-mates exclaims, "I saw Timothy eating 2 Big Macs yesterday! Could it be that?" "He eats Double Cheeseburgers for breakfast too!" said another. "And his favourite food is deep fried chicken wings!"
What is wrong with Timothy's diet? Explain to Timothy's mum how he could have developed atherosclerosis and suffered from heart attack.
Great Depression - Wikipedia, the free encyclopedia - 0 views
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A cranky old fool has been found creating a commotion in the Anderson cafeteria. The old fellow is rambling on about the devastating effects of the Great Depression. You would choose to ignore the old senior, but you realize upon listening to him further, that he has got all his historical facts muddled up!
Many of the juniors are there listening to him and you fear their young historian minds would be confused. You cannot allow this to happen! You have to set the situation right by presenting the case objectively, with the correct facts and good reasoning.
Explain ONE economic impact and ONE political impact the Great Depression had on Japan.
Battle of Singapore - Wikipedia, the free encyclopedia - 0 views
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Discovery Channel arrives…
Life has been relatively peaceful since your class fobbed off the crazy old man with your explanations regarding the Great Depression. Some of your juniors were impressed, others still seemed doubtful. Nonetheless, you heave a sigh of relief thinking you can finally relax!
Just then, an announcement goes over the PA system: "Discovery Channel will be here this afternoon to interview students regarding their views on the fall of Singapore during World War II. All Sec Two history students are required to be present for the recording."
There goes your hour of relaxation… "Well, this is better than some cranky old fool," you think, "Who knows, you may just get famous if you present your views clearly on international TV!" With that, you set yourself to prepare for an impressive presentation.
Explain at least two reasons for the quick fall of Singapore. In your opinion, was it British weakness or Japanese strength that was the main cause?
Hiroshima - Wikipedia, the free encyclopedia - 0 views
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A Bomb Shell!
Two more weeks to the holidays! Alright! You strut your way to the classroom, discussing amongst ourselves your grandeur plans for the holidays. Just then, from the corner of your eye, you notice a strangely familiar man talking to your History teacher outside the staffroom. Five minutes later, your History teacher enters the conference room with the man. Suddenly it strikes you! That face! He's the person from Discovery Channel who briefed you on your last task! And… he's the crazy old man who was hanging around the canteen disturbing your juniors! What madness is he up to?! Your History teacher laughs at your shocked and amused look. "Class, this is Mr Ronald from Discovery Channel. You should know him by now?" She chuckles and explains that Discovery Channel is actually cooperating with the school and filming a reality-TV competition to find the best historian student pair. Mr Ronald is rather pleased with the results thus far and has decided to narrow his search to within your class.
Your final task is as below:
Explain the reasons for the dropping of two atomic bombs on Japan in order to end the war. In your opinion, was it necessary to have dropped the second bomb on Hiroshima?
Attack on Pearl Harbor - Wikipedia, the free encyclopedia - 0 views
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Attack on Pearl Harbour!
Woah! Seems like life in Anderson is getting exciting! Just last week, you'd been interviewed by Discovery Channel on what you think were the causes of the quick fall of Singapore during World War II. Today the Discovery producers are back, with more cameras, lights and props! Apparently they quite enjoyed the presentations the students put up and have decided to double their episodes on World War II!
Another chance for you to prove your worth and it seems your history teacher agrees! You have been volunteered to be on the research team for this episode. One of the production crew has been sent to brief you. He looks familiar and begins explaining that the topic for this episode is the well-known Japanese attack on Pearl Harbour.
Explain at least two reasons for the Japanese attack on Pearl Harbour. In your opinion, was the US oil embargo the main cause
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