Polymer Journal 2

Our goal for the Polymer Project is to create a polymer clay that is 100% eco-friendly and has the properties of polymer clay (mold ability, softness,  flexible). Our target audience are kids who are looking forwards to using their imagination and making their own toy. This clay allows you to make your own toy and is also a toy itself.

Polymer clay is the widely known and used modeling clay. Unfortunately, it contains PVC and it is extremely harmful to you and the environment. According to CBC 90% of all toys are made with plastic. With our polymer clay (made of cornstarch, guar gum and water) it is 100% environment friendly and also 100% safe for little kids.

We use cornstarch and water to make the dough- the base. We added guar gum to give it a bouncy, stretchy and soft texture and to keep the clay from drying too fast.

 

Heres our second prototype for our eco-friendly clay

 

Citations:

“What’s So Bad About Vinyl Plastic (PVC)?” Eco, 24 Sept. 2013, www.eco-novice.com/2013/09/whats-so-bad-about-vinyl-plastic-pvc.html.

“’Wasted’: Greening the Plastics-Heavy Toy Industry | CBC Radio.” CBCnews, CBC/Radio Canada, 5 Jan. 2018, www.cbc.ca/radio/day6/episode-371-iran-nuclear-deal-plastic-toy-waste-kaepernick-bitcoin-bunkers-spotify-vs-composers-and-more-1.4470486/wasted-greening-the-plastics-heavy-toy-industry-1.4470526.

Todd Hewitt : Characterization

Paragraph A:

In the book The Knife of Never Letting Go by Patrick Ness, Todd Hewitt is constantly running away from death and chasing after the truth. Todd’s characterization slowly changes throughout the story. The main character is from Prentiss town, a place where everyone could read each other’s minds. A place where people become crazy when the noise gets too much.

 

Paragraph B:

 Todd may seem like the hero of the story but he surely does not want to be. On page 47 Todd exclaims “No, its not all right. It’s not all right at all.” Todd refuses to leave when Ben and Cillian rush him out of the town purely for his own good. There’s a fighter in Todd but there’s also a softer, kinder side. Almost everybody who meets him knows he isn’t a killer. Even in the fight for his life, Todd didn’t have the guts to kill Aaron- the pastor that wants to kill him. Todd is surely “The boy who can’t kill” (p. 451). In the beginning of the story, when Hewitt finds the hole (Viola) he helped her survive. Viola later becomes a great help and they face the Prentiss town together as one. Todd was brought up with a kind family, Ben and Cillian. After his mother was killed Ben took him in and raised him. Todd has a strong bond with these two people and depends on them mentally throughout the whole story. Lastly, “…if yer the last boy in town, you just have to wait…” (p. 10). Todd is the last boy to become a man (turning 13 years old) and he has prominent cheekbones.

 

Polymer Journal 1

Polymers are molecules that are chemically bonded together to form a long, repeated chain. All polymers start with a base, called the backbone. There are also pendant groups that hang loose or connect chains together. A chemical bond is what holds the atom chains together. In class, we made slime using PVA glue and borax. When borax / laundry detergent is added to the PVA, it changes the position of molecules in a process called cross linking and forms chains- which is the slime.

Synthetic polymers are human-made polymers. Some examples are Nylon and Rubber, yet these are made from natural resources such as tree latex and petroleum oil. To make these natural resources into the polymers, polymerization (combining molecules), heating and spinning, and lastly manufacturing.

Citations:

Perkins, Sid. “Explainer: What Are Polymers?” Science News for Students, 13 Oct. 2017, www.sciencenewsforstudents.org/article/explainer-what-are-polymers.

“The Science Behind Slime.” Little Bins for Little Hands, 22 Apr. 2019, littlebinsforlittlehands.com/basic-slime-science-homemade-slime-for-kids/.

 

Here is a model of a polymer

春天

WawaYaya书:泥水坑

今天下大雨了,雨滴地道花儿般上。北京顺义国际学校的地上都是泥水坑。

一只狗从ISB的栅栏下面爬到ISB的花园。他看到树上的花儿。啊,这应该就是黄色的木兰花儿!

突然间一群小孩子出来玩。他们跑到泥水坑里时,你水高高地飞了起来!

你知道这些花儿是怎么收分吗?木兰花通常由甲虫授粉

冲远处你能听见小朋友的笑声,春天真的到了。

 

The rain today is extremely heavy. At the International School of Beijing, there are mud puddles everywhere.

A little dog crawled its way underneath the fence of the schoolyard and into the garden. He saw the beautiful spring flowers. The little dog then thought: wow these must be Magnolia flowers!

Suddenly, a group of little kids came out to play. As they ran through the puddles, it sent waves of dirty water up into the air.

Do you know how these flowers are pollinated? One child asked the other. They are usually pollinated by Beetles!

From the distance, you could hear the sound of laughter. Spring really has arrived.

 

春天是什么?

春天是冬天和夏天之后的四个温带季节之一。