This Quarter in SciSeven

This quarter in Science class we were studying water.  What it does, who uses it, and how it's important.  First, we just studied it's effects, then what we needed it for.  Later, we used it for investigations, and took some tests on them.  We also took a test about water in general, which I did quite well on (7).  At the end, we had to do presentations on a water issue.  I was very bad on my last essay, so I had to do an essay instead.  I think I did okay, and my grade reflected that.  I didn't cite my sources, but I had many.  I also think that I had a lot of good content, but I got a low grade, so apparently I didn't Overall, I think I didn't do great this quarter, but I can do better in the next one.

Egg Babies, ugh.

For health class we got some eggs, and we had to take care of them as if they were our children for 24 hours.  There were some rules:  The egg must not crack, you can't leave it alone, you have to keep it breathing, and you had to feed it.

I think it was quite easy to carry around my egg babies to my classes, because I could have my bag open and put the eggs at the top, so they could breathe.  This way I had an extra hand free, unlike the other egg baby parents.  I also thing it was very easy finding something to carry the eggs in, because I just had some leftover soda cans, so I cut them in half and carried my eggs in them.

At recess, I usually get my basketball, and go play with my friends, but when I had my egg baby, I couldn't go do that, for two reasons.  One, if the ball hit the egg carrier, both of my eggs would break.  Two, I couldn't effectively participate, because I would have to move so that the ball wouldn't hit my eggs, and I couldn't shoot properly with one hand.

Although this project wasn't the hardest summative assignment, I wouldn't want to do this project indefinitely.  When I was carrying around my egg baby, I didn't forget it very often, because the grade mattered so much, but I have been known to be very forgetful of my laptop, books, and other things.  If I had to carry around these eggs for a prolonged amount of time, I would eventually forget it somewhere.  Also, the people staring at me like I'm a crazy person isn't very pleasant.

I can only imagine what it would be like to be a real parent while being a teenager.  It would be horrible!  The "crazy stare" effect would be multiplied exponentially, but there's much more that would change.  People would think differently of someone if they were a parent in middle or high school.  People would think they were irresponsible, and they really are if they're carrying around their child at 15.

Overall, I'm glad this project is finished.  My sister asked to keep my eggs, but she has no idea what it's really like to take care of those egg babies.

Do People Have Jobs?

When we were thinking about global issues, I thought of unemployment, and I think it's a very big issue that needs to be solved in the not-too-distant future.  I don't know much about this topic, and I'm not sure where it's the biggest issue.  Of course, there is unemployment everywhere, because not everyone has jobs.  When I post about this topic, I think I should find out which countries have the most unemployment, and which countries have the least.  I should also find out what people are doing to stop unemployment in various countries.  I will also have to find reliable resources in order to find these things out, because my information must be accurate.  After this project, I will know much more about this topic, including who has more unemployment, and how to get rid of it.

Reflecao do PFL B

Na aula de PFL B, nos temos que fazer uma presentacao esponania sobre o nossa bairro.  Nos so temos 30 minutos para preparar, e esse era muito pouco tempo.  Nos precisamos de pegar os direcoes para chegar na escola, e o que nos gosta de fazer na nosso bairro.

Eu nao acho que eu usei os core values, mas eu estava muito risk taker porque eu fui presentar sem plano.

Eu acho que eu fui muito orrivel porque eu nao tinha presentacao.  Eu tinha que 'wing it'.  Os direcoes nao foi muito specifica, e eu nao esta certo que eu falei direito.  Eu nao acho que eu usava as palavras certas.  Tambem, nao sabia muito que tem no meu bairro.

Em uma escala de um a dez, eu pegei uma 3.

Eric.mp4 meu barho no Brasil

Long Lives?

As you know, some people in different countries live longer than others.  However, not many people know the causes for these changes in longevity.

Guatemalans don't live as long as people in other countries.  It's quite sad, really, with guys living only 69.82 years and the women living 73.76.  This generates an average of 71.74. Their cancer stats are dangerously high, with stomach cancer rates the fourth highest in the world for both genders, but second highest for women. There are also many smokers in Guatemala, which increases risk of lung cancer, and is just all-around bad. Guatemala also ranks 50 most deaths from HIV/AIDS in the world. There is also much child labor in Guatemala, with 21% of children working. By the way, that's 929,852 children working. These things effect the life expectancy because children can die of child labor, and those short lives throw off the average life span. Diseases also shorten lives similarly. Guatemala is also close to the equator, which is where many diseases thrive.

In Turkey, people live longer than Guatemalans, but not as long as Japanese people. Men live 71.33 years, and women live 73.35 years. This means an average of 73.29 years of age. There are some reasons these numbers aren't as high as they'd like. For one, half of the men smoke. This increases risk of lung cancer, which is very deadly. Half of the women are obese, which means that is takes more energy to move, and when they do get that much energy, it's hard to get around. Some cases of obesity are caused by an addiction to food (yes, that is a thing), where food becomes more important to the person than their health, social life, and even their family. I'll stop talking about the negative sides of their life spans, because their lives aren't really all that short. Child labor is down to 3% of children ages 5-14. Almost all the people can read and write, which makes it much easier to get a job. HIV/AIDS levels are very low, and there is also less cancer. However, there is a lot of bladder cancer, and smoking is 100% bad for you, and if half of men smoke, that's half of the men who could likely get lung cancer and die.

Japanese people live the longest of all the people of the world, with men living 81.13 years, and women living 87.99 years.  This makes up an average of 84.46 years in total for all citizens living in Japan.  There are many causes for these extremely long lives, and they are as follows: cleanliness, transportation, diet.  Japan is one of the cleanest countries in the world.  Some Japanese almost have an obsession with being really clean.  We can be like them too, its actually as simple as washing your hands before and after meals, and taking good showers everyday.  Japanese people also usually walk instead of drive.  Also, they stand up more once they get where they want to be, and stand while they wait for a doctor's appointment (which they have 12+ times a year) or to cross the street.  But I think the most important reason that Japanese people live so long, is their very healthy diet.  One thing about their special meals is that they eat fish instead of red meat.  Red meat give high cholesterol, which leads to nice things like heart attack and heart disease.  They also drink less milk, less dairy products, eat more soy.  I'm not being racist, but Japanese people rice with most of their meals.  Not that their meals are very big anyway.  Their small portions also adds to their life span, because they get less calories.
"Bladder Cancer Statistics | World Cancer Research Fund International." Bladder Cancer Statistics | World Cancer Research Fund International. World Cancer Research Facility. Web. 6 Mar. 2015. <http://www.wcrf.org/int/cancer-facts-figures/data-specific-cancers/bladder-cancer-statistics>.

"Guatemala." Central Intelligence Agency. Central Intelligence Agency. Web. 1 Mar. 2015. <https://www.cia.gov/library/publications/the-world-factbook/geos/gt.html>.

"Japan." Central Intelligence Agency. Central Intelligence Agency. Web. 1 Mar. 2015. <https://www.cia.gov/library/publications/the-world-factbook/geos/ja.html>.

"Lung Cancer Statistics | World Cancer Research Fund International." Lung Cancer Statistics | World Cancer Research Fund International. World Cancer Research Facility. Web. 6 Mar. 2015. <http://www.wcrf.org/int/cancer-facts-figures/data-specific-cancers/lung-cancer-statistics>.

"Stomach Cancer Statistics | World Cancer Research Fund International." Stomach Cancer Statistics | World Cancer Research Fund International. World Cancer Research Facility. Web. 6 Mar. 2015. <http://www.wcrf.org/int/cancer-facts-figures/data-specific-cancers/stomach-cancer-statistics>.

"Turkey." Central Intelligence Agency. Central Intelligence Agency. Web. 1 Mar. 2015. <https://www.cia.gov/library/publications/the-world-factbook/geos/tu.html>.

"Why Do Japanese People Live So Long? (And What You Can Do To Live A Long Time Too) - Tofugu." Tofugu. Koichi, 6 Oct. 2010. Web. 3 Mar. 2015. <http://www.tofugu.com/2010/10/06/why-do-japanese-people-live-so-long/>.

Goat Pen Math

In math class we were handed certain problems to solve and then explain.  Here's mine:

You have 40 meters of rectangular fencing material and you want to build a rectangular pen for your goats, but you are not sure what size to make the dimensions.  (You only know that you will use all 40 meters of fence.)

a.  What will the perimeter of the fence be?
This is an easy question.  It basically said the answer in the up at the top.
You have 40 meters of rectangular fencing...
Perimeter the length of all the sides combined, laid out in a straight line.  This first part means that the same thing, all the fencing in a line is 40 meters long.  Therefore, the answer to a. is 40.

b. Draw a diagram and label the dimensions using x for the width.
(there's also a hit, but we're too cool for hints ;))

So, this means that we've got to draw a rectangle with the width labeled x.  


Of course, it doesn't have to be red, I just wanted it to be the same color as the one explaining stuff.
And while were sitting here wondering what the length is, let's find out how to find it, no matter the dimensions.
Let's use y as the length

20 - x = y

Since all the lengths are 40, that makes two sides equal 20. 20 minus the width must equal the length, if 20 is both of them added together.

c. Make a table of values (using only integers) to see how the width of you pen affects the area, and graph these values

A table of values is a table where each value matches with another.  In our case, these values are the length and width of your goat pen.

x	y
1	19
2	18
3	17
4	16
5	15
6	14
7	13
8	12
9	11
10	10
11	9
12	8
13	7
14	6
15	5
16	4
17	3
18	2
19	1

And when we graph these points, they look a little like this:

d. From your graph, determine what dimensions would give you the largest area.

This is simple multiplication.  Right in the middle, there's 10x10, which is 100.  Next to it, is 11x9, which is 99.  The product gets lower the farther you go from (10,10).  Commutative property, so same deal on the other side.

So basically , you've gotta make your goat pen a whopping 10 by 10 meters.

e. Write an equation for the area  of your pen, using your diagram.

The most commonly used equation for area is lw = A

But that's the lame generic equation.  We want the new+improved awesome equation with the right numbers.

So, it could be A = x(20-x), because that generates our length in the parentheses, and has the x multiplying it.  However, it can still be simplified.  If we distribute the x, it turns into A = 20x - x².  

f. Graph your equation using a graphing calculator and compare it to the graph you drew*.

we''re rebels so we did it digitally and didn't draw it, but we're still cool.

So this is what you get when you type in your equation into a graphing calculator.

 What do you make of this meaningless line?  Well, if you zoom out...

 You eventually get two lines!  They look like they will intersect.  But if you zoom out,

It turns out that it's a huge curve!  At the climax is the number 100.  What's the area of your goat pen?  That's right, 100.

Now let's compare this curve to our other graph (the one we "drew").

I don't know what's similar about these, execpt for something you can't see in this image.  The 10x10 mark on the bottom lines up with the climax of the big curve.  I think this means our previous graph was correct.

Now we have to make a graph out that big curve.

Now you can see that the area starts low, and gets higher and higher, until it reaches the maximum (100), and then goes back down, less and less.  Just like our areas we calculated higher up.

I hope this helped you understand how to come up with equations to make graphs to find areas.

Now go make your goat pen!!