Diet Coke is 99% Water ( Now That's a Good Thing)
- Steven D. Levitt
Site:http://freakonomics.blogs.nytimes.com/2007/08/20/diet-coke-is-99-water-and-that-is-now-a-good-thing/
Summary:
Back in the day when diet coke was said to be 99% water it was an insult. Considering that at that point water was free, diet coke was just free water! You must have been silly to have paid for some water and a little bit of artificial this and that. Times have changed and water sales have been growing rapidly. Over $50 billion dollars in sales each year for purchasing bottled water! As CBS reports, water is now as big of a business as soda businesses. Comparing that age and now, water is much more expensive and is more wanted.
One World:
The article Diet Coke is 99% Water ( Now That's a Good Thing), connects to what we are learning about by teaching the importance of water. It effects scientific knowledge by teaching us what diet coke consists of. This effects technology by making more efficient bottles for drinks because many people prefer bottled water or drinks. This effects society by getting more jobs and wasting money for water which is over priced when it used to be free. The benefits are people gaining money, companies expanding and more jobs are available. The limitations are people wasting money and others making profit out of natural resources.
Analysis/Evaluation:
The scientific information was comparing water in the olden times and present day. This article made sense because it was written by a scientist and included facts from scientists. I made a couple of inquires. Firstly, why was there free water then and not now? Secondly, why don't we have free water now? Thirdly, why do people prefer bottled water?
Reflection:
From this article I learned three main things. Firstly,water in drinks was considered silly. Most people didn't buy it because they got free water. This makes me angry because why did people have free water then? Because people want profit now. Secondly, that diet coke was made up of 90% water. I thought it was mainly artificial ingredients but I was wrong. Thirdly, people are really greedy because they can't give free water. Though if water was free it could be wasted more but there would be no people dying of thirst. In conclusion after reading this article the reasons above are what I learned. I hope water will be saved and developing countries get free water.
Wednesday, September 29, 2010
Monday, September 27, 2010
Phosphorus Glog
Click to view
This project taught me about how different elements can combine and why. I also learned that there are many types of phosphorus. Different colours mean different stages of danger to life. In addition to that I learned that phosphorus can only bond with certain elements such as iodine, fluorine, chlorine and bromine. It can't bond with any acids. Thanks to this project I have more knowledge about elements.
Click to view
This project taught me about how different elements can combine and why. I also learned that there are many types of phosphorus. Different colours mean different stages of danger to life. In addition to that I learned that phosphorus can only bond with certain elements such as iodine, fluorine, chlorine and bromine. It can't bond with any acids. Thanks to this project I have more knowledge about elements.
20 Things I didn't Know About Water!
Reflection:
1. Water is everywhere but only 1% of it is drinkable. I find this interesting and new because I thought there was a lot more water that can be used. Normally I don't care how long I shower but now I will take shorter ones because we are running out of drinkable water.
2.The Water Recovery System can turn 93% of an astronauts perspiration and urine into water. I found this interesting but not new because now there is an efficient way to turn human sweat and urine into water and re-use it. This isn't new to me because many survival movies show how you can re-use the water your body gives you. Those bring little and poisonous water but the Water Recovery System is not and brings extensive amounts.
3. You can make your own water by mixing hydrogen and oxygen in a container and adding a spark. This is new and interesting to me because I thought water was made naturally. In the worst case scenario humans will be forced to make their own water. Hopefully that won't happen but now I know how to.
4. Plant GJ 1214 which orbits a red dwarf star is made entirely of water. This is new to me and interesting because didn't people say Earth was the only planet with water? Apparently not because this planet does. If we do run out of water at least we have a back up planet to help us survive.
5. Life may have started in a comet because comets are said to have water in them. This is new and interesting to me because many people have theories about how life started. This one makes sense. Since comets travel a lot there is a possibility that life started in them. This could also mean there is more life than us because there are a lot of comets?
Online Facts:
1. Several types of cancer can be attributed to the presence of toxic materials in drinking water. This is interesting and new because we can make our selves get sick if we don't start doing something with out water. Many people die from cancer and it would be horrible if we all get it. We HAVE to start doing something...
2. Every 20 seconds a child dies from a water related disease. This is interesting but not new to me because it is such a short time for someone to die. I can't believe every 20 seconds someone dies. What if that was me? This shows that people should really start taking care of water. This isn't new because in South Africa everyday people would remind the citizens to save water and donate money to save these poor people who are sick or have no water.
3. A person can't live without water for a week but can live without food for about a month. This is interesting but not really new because I found out earlier that people can't live without water for a week. This is interesting because without water we won't have food so it doesn't matter if we don't have food we still won't survive without water which leads us back to the topic of saving water.
4. Over 90% of the world's supply of fresh water is located in Antarctica. This is new is new and interesting to me because I didn't know that much water came from Antarctica. If we keep on polluting, our water will start to disappear and we won't have any more sources to drink from.Site: http://www.lenntech.com/water-trivia-facts.htm
5. If the worlds water supply were only 100 litres, our usable amount of fresh water would be only about 0.003 of a litre, enough to fill half a teaspoon. This is really interesting and worrying to me because our fresh water supply is really low. This should be put up on billboards for people to see and start doing something to save our water.
Site:http://www.aqwest.wa.gov.au/Schools/WaterFacts.aspx
This article relates to the move we watched Blue Gold by speaking and showing the importance of keeping our fresh water supply safe and sound. Both express what a world without water would like in a dramatic way. Without water there will be no future and everything would be lifeless so it's time to take a stand and do something about it...
Tuesday, September 21, 2010
Current Events 21.9.2010
Dry water a savior?
-Science Daily (Web) 26.8.2010
Site: http://www.sciencedaily.com/releases/2010/08/100825174102.htm?sms_ss=blogger
Summary:
An unusual substance called Dry Water, which is made up of powdered sugar, could help store carbon dioxide and make the world more greener. It's a bright promise for several reasons. One is that it can save energy which is used to jump start chemical reactions which are used for industry products. Ben Carter, Ph.D., researcher said there is nothing quite like it. He hopes it will be making waves. It got it's name from consisting of 95% water but still staying a power. Each droplet has been surrounded by silica, the sand on beaches. Silica prevents the water to turn into liquid, meaning it keeps it a solid. Instead if turning into a liquid, the solid slurps up gases which stay in it, just like a vacuum. This process is called hydrate. Dry water was discovered in 1968 and got it's potential use for cosmetics. Scientists found out that it can store three times as much carbon dioxide uncombined with water and silica, meaning it can save us from global warming! Scientists provided other uses such as storing methane gas and transporting it and store gas. Another use would be to mix it with hydrogen gas and maleic acid to produce succinic acid, which is used in drugs, food and livestock food. Dry water can slurp up dangerous liquids and they can be transported safely.
One world:
The article "Dry Water a Savior?" connects to what we are studying currently by giving us information about chemical bonds and water being saved. It effects scientific knowledge by giving us a substance that can possibly save our future. Scientists are struggling to save our water and a little power can slurp it all up and keep it stored. This effects technology by making less machines and energy used. Energy can be consumed and kept for future generations or possible black outs. There is a bad side to this for some people. Machine makes and workers won't be needed hence no profit or money. This effects society as well because people can store water but it can also reduce jobs. Without machines there will be no workers in factories which later results to no money. But on the other hand people will have more water and be water friendly and environment friendly. The benefits are keeping the world green by saving water, energy and reducing harmful gases. The limitations are jobs for people and people who want profit. It will effect life drastically but hopefully there won't be a lot of people who wan't profit.
Analysis/Evaluation:
The scientific information was creating dry water to save our planet. The article made sense because examples and quotes were put in. I made a couple of inquiries. Firstly, when water is stored how can it be put back into a liquid? Secondly, will dry water be made into someones profit? Thirdly, when can we start using dry water? Fourthly, is it harmful?
Reflection:
From this article I learned and got a different perspective on water and the earth being green. Honestly I thought we would have no way of getting out of pollution but I was wrong. Firstly, I learned that silica can make liquid stay solid. Before I thought sand was pretty useless and now it is helping us keep our planet. Secondly, I learned what dry water is. It is a substance that slurps up gases and makes energy when modified. It can be used in food and industrial products. It can also get us into poverty if our parents or we work in a factory. Thirdly, there is something to save our planet. As I said before I believed our planet would go bad but we have a chance. A chance do make our planet a clean place again. In conclusion, dry water could be our only hope in surviving. I'm afraid it will be over priced and used to make profit. We need this to keep our planet or else we won't give our future generations a chance to even be born.
-Science Daily (Web) 26.8.2010
Site: http://www.sciencedaily.com/releases/2010/08/100825174102.htm?sms_ss=blogger
Summary:
An unusual substance called Dry Water, which is made up of powdered sugar, could help store carbon dioxide and make the world more greener. It's a bright promise for several reasons. One is that it can save energy which is used to jump start chemical reactions which are used for industry products. Ben Carter, Ph.D., researcher said there is nothing quite like it. He hopes it will be making waves. It got it's name from consisting of 95% water but still staying a power. Each droplet has been surrounded by silica, the sand on beaches. Silica prevents the water to turn into liquid, meaning it keeps it a solid. Instead if turning into a liquid, the solid slurps up gases which stay in it, just like a vacuum. This process is called hydrate. Dry water was discovered in 1968 and got it's potential use for cosmetics. Scientists found out that it can store three times as much carbon dioxide uncombined with water and silica, meaning it can save us from global warming! Scientists provided other uses such as storing methane gas and transporting it and store gas. Another use would be to mix it with hydrogen gas and maleic acid to produce succinic acid, which is used in drugs, food and livestock food. Dry water can slurp up dangerous liquids and they can be transported safely.
One world:
The article "Dry Water a Savior?" connects to what we are studying currently by giving us information about chemical bonds and water being saved. It effects scientific knowledge by giving us a substance that can possibly save our future. Scientists are struggling to save our water and a little power can slurp it all up and keep it stored. This effects technology by making less machines and energy used. Energy can be consumed and kept for future generations or possible black outs. There is a bad side to this for some people. Machine makes and workers won't be needed hence no profit or money. This effects society as well because people can store water but it can also reduce jobs. Without machines there will be no workers in factories which later results to no money. But on the other hand people will have more water and be water friendly and environment friendly. The benefits are keeping the world green by saving water, energy and reducing harmful gases. The limitations are jobs for people and people who want profit. It will effect life drastically but hopefully there won't be a lot of people who wan't profit.
Analysis/Evaluation:
The scientific information was creating dry water to save our planet. The article made sense because examples and quotes were put in. I made a couple of inquiries. Firstly, when water is stored how can it be put back into a liquid? Secondly, will dry water be made into someones profit? Thirdly, when can we start using dry water? Fourthly, is it harmful?
Reflection:
From this article I learned and got a different perspective on water and the earth being green. Honestly I thought we would have no way of getting out of pollution but I was wrong. Firstly, I learned that silica can make liquid stay solid. Before I thought sand was pretty useless and now it is helping us keep our planet. Secondly, I learned what dry water is. It is a substance that slurps up gases and makes energy when modified. It can be used in food and industrial products. It can also get us into poverty if our parents or we work in a factory. Thirdly, there is something to save our planet. As I said before I believed our planet would go bad but we have a chance. A chance do make our planet a clean place again. In conclusion, dry water could be our only hope in surviving. I'm afraid it will be over priced and used to make profit. We need this to keep our planet or else we won't give our future generations a chance to even be born.
Sunday, September 19, 2010
Water, Water, EVERYWHERE? (South Africa)
What rivers flow through your country?
The Orange River,Palmiet River, Mgeni River, Tugela River, Crocodile River (Mpumamlanga), Crocodile River (Gauteng) and the Vaal RIver.
Where do the rivers come from? (Include the countries that it flows through)
The rivers which flow through South Africa come mainly from Namibia, Botswana, Zimbabwe and Mozambique. The rest of the rivers come from South Africa or from the Ocean.
Are there any blockages? (Dams, hydroelectric plants)
In South Africa there are countless dams but not a lot of hydroelectric plants. On this link you will find all of them: http://en.wikipedia.org/wiki/List_of_reservoirs_and_dams_in_South_Africa. There are only two hydroelectric plants I know of: the Gariep Dam and the Paul Sauer Dam.
What forms of industry are located on the rivers?
Plastic industries, vehicle, and rubber.
What springs/natural reservoirs are there in your country? (Lakes, aquifers, watershed)
There are many lakes in South Africa. Here is a list: http://en.wikipedia.org/wiki/List_of_lakes_in_South_Africa
As for springs there is one major one at and it is Hot Springs. This is the largest spring that has been discovered and is sadly used for tourism. South Africa has a lot of granite and quartzite underneath it. This provides a passage way for water to pass through and be stored in an aquifer. I couldn't find any names of aquifers but there is a major one in Cape Town called Cape flats. It is huge and shared all along Cape Town. As for the other provinces I'm not sure.
Where does your country get their water supplies from? If it's from your country, do you ship/export water to different countries?
South Africa gets its water supplies from itself. It's one of the few countries where everyone has the right to a certain amount of free water. The water supplies are made in different companies such as Valpre and then is sent to Water Boards to be sanitized. Water from South Africa is sent to neighboring counties such as Namibia, Botswana, Zimbabwe and Mozambique.
How do you get water to your house?
Water in South Africa has different ways of getting to your household. The first one is like a well. Since there is a lot of granite and rock underneath the ground people tend to trap the water and make wells. The second one is through pipe line. Pipe lines transport water from tanks that have been cleaned and purified until it is good for drinking. The third option is using water from reservoirs. Many farmers have giant tanks in which they use their own water. It all depends on what kind of life style you have.
Monday, September 6, 2010
1.http://www.youtube.com/watch?v=hVK9Om4wzBM
2.http://www.youtube.com/watch?v=8ypUVpwgcAA&feature=related
3.http://www.youtube.com/watch?v=896vJj6eWYw&feature=related
4.http://www.youtube.com/watch?v=qRmNPKVEGeQ&NR=1
5.http://www.youtube.com/watch?v=vJslbQiYrYY&NR=1
6.http://www.youtube.com/watch?v=w2mj-Sq2oeo&feature=related
7.http://www.youtube.com/watch?v=5n7kBkBcXgo&NR=1
8.http://www.youtube.com/watch?v=_Pk6s1MbszA&feature=related
9.http://www.youtube.com/watch?v=zrNA8-eipGE&feature=related
Responding:
1. The first video is about what happens when you put Bromine and Alcohol. The liquid first dissolves, turns yellow, then gets some red flames in it, turns red,starts flaming and dies down.
2. This video shows what happens when you mix lithium and water. It first starts to flame up then fire starts appearing on it. In the end it just dies down.
3. This video shows what happens when u mix Cesium and water. The Cesium on the spoon just touched the water and creates a red explosion. Just like fire works!
4. This video shows what happens when you mix Potassium and water. A spoon with Potassium on it is put in the water. A black circle appears and gets set on fire. It starts
to flame and move around then just dies down.
5. What happens in this video is just that the Sodium and Potassium start to light up and bubble then just die down.
6. This video shows when you put Liquid Nitrogen into water. A bucket of Liquid Nitrogen is poured into the pool. The pool starts to get foam on it and it spreads through the whole pool. It later dies down and the "foam" is left.
7. This video shows Aluminum Foil crumpled up into a flask. Its blue and starts to foam up. Later it picks up speed and starts to be gray and hot.
8. This video shows putting a gummy bear into Sodium Chlorate. It just blows up.
9. This video just shows food dye being put into a glass and stirred. Random things are put into the glass and they create different reactions.
http://www.youtube.com/watch?v=tTffiZ7LdWg&feature=related
***BONUS: What can chemical changes tell us about the elements that are involved in the reaction?
The chemical changes tell us about the elements that are involved by how they react because for example if you use Lithium which is an alkali metal and mix it with water it it will fire up. This shows that alkali metals, alkali earth metals, transition metals, halogens and noble gases have different reactions to things hence this can tell you what element is involved due to its different reaction.
2.http://www.youtube.com/watch?v=8ypUVpwgcAA&feature=related
3.http://www.youtube.com/watch?v=896vJj6eWYw&feature=related
4.http://www.youtube.com/watch?v=qRmNPKVEGeQ&NR=1
5.http://www.youtube.com/watch?v=vJslbQiYrYY&NR=1
6.http://www.youtube.com/watch?v=w2mj-Sq2oeo&feature=related
7.http://www.youtube.com/watch?v=5n7kBkBcXgo&NR=1
8.http://www.youtube.com/watch?v=_Pk6s1MbszA&feature=related
9.http://www.youtube.com/watch?v=zrNA8-eipGE&feature=related
Responding:
1. The first video is about what happens when you put Bromine and Alcohol. The liquid first dissolves, turns yellow, then gets some red flames in it, turns red,starts flaming and dies down.
2. This video shows what happens when you mix lithium and water. It first starts to flame up then fire starts appearing on it. In the end it just dies down.
3. This video shows what happens when u mix Cesium and water. The Cesium on the spoon just touched the water and creates a red explosion. Just like fire works!
4. This video shows what happens when you mix Potassium and water. A spoon with Potassium on it is put in the water. A black circle appears and gets set on fire. It starts
to flame and move around then just dies down.
5. What happens in this video is just that the Sodium and Potassium start to light up and bubble then just die down.
6. This video shows when you put Liquid Nitrogen into water. A bucket of Liquid Nitrogen is poured into the pool. The pool starts to get foam on it and it spreads through the whole pool. It later dies down and the "foam" is left.
7. This video shows Aluminum Foil crumpled up into a flask. Its blue and starts to foam up. Later it picks up speed and starts to be gray and hot.
8. This video shows putting a gummy bear into Sodium Chlorate. It just blows up.
9. This video just shows food dye being put into a glass and stirred. Random things are put into the glass and they create different reactions.
http://www.youtube.com/watch?v=tTffiZ7LdWg&feature=related
***BONUS: What can chemical changes tell us about the elements that are involved in the reaction?
The chemical changes tell us about the elements that are involved by how they react because for example if you use Lithium which is an alkali metal and mix it with water it it will fire up. This shows that alkali metals, alkali earth metals, transition metals, halogens and noble gases have different reactions to things hence this can tell you what element is involved due to its different reaction.
Thursday, September 2, 2010
What I learned today....
Today I learned quite a few things
1. Whats the difference between a Bohr diagram and a Lewis dot
2. What elements can exchange and not
3. How many atoms can fit on different layers
4. How many electrons a certain element exchanges
KWL
Chemistry: the study of matter and dealing with the composition of substances and their properties and reactions.
What I know:
1. You add the electrons to find the element
2. There can only be 2,8 and 16 in the first, second and third layers
3. Protons are positive neutrons are zero and electrons are negative
4. Protons and electrons ALWAYS need to be even
What I want to know:
1. Why do atoms undergo physical changes?
2. Who invented the periodic table?
3. How do atoms multiply?
4. Can you see atoms with a microscope?
Subscribe to:
Posts (Atom)