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"Are we allowed to use ideas from our writing exercise to help us write this paper?" she asked. "Of course," I said. "That was the whole point of the writing exercise—to get you a head start in thinking about how you want to approach your paper." "OK," she said. And then after a brief pause: "Because at orientation they told us we weren't allowed to use our own work twice." "Ah," I said. "That doesn't really apply in this case. And anyway, I don't really mind, in this course, if you take a paper that you've written for another course and revise it for an assignment in here. You just have to make sure that what you turn in fulfills my specific assignment. Other professors might feel differently, though. So I would always ask before you tried to do that."

So why deprive our students of the opportunity to learn those same lessons, by recycling a particular paper from one course to the next?

I can foresee one more objection: What's to prevent a student from recycling the same paper from course to course to course? Students who did so would lose the valuable opportunity to practice their writing—and writing, like any other intellectual or physical skill, requires lots of practice. But—practically speaking—the opportunity to reuse a paper might arise only once or twice in a student's career, thanks to the diversity of our course assignments and disciplines.

The machine is effective in recycling different kinds of plastic into oil.

Utilization doesn't just take into account the 20 percent of recycled plastic. But it also considers the incinerated 52 percent used for energy recovery like generating electric power or heat. Akinori Ito says "If we burn the plastic, we generate toxins and a large amount of CO2. If we convert it into oil, we prohibit CO2 production and at the same time, increase people's awareness about the value of plastic garbage"

Oil from Shale: Oil can be extracted from this fine grained, organic rich, sedimentary rock through pyrolysis, thermal dissolution or hyderogentation. Shale contains high concentrations of organic chemical compounds known as Kerogen. From this solid mixture, oil is extracted through chemical process. Shale can be effective converted into combustible oil shale gas and liquid hydrocarbons (shale oil). Global deposits of Shale are estimated to be around 2.8 trillion to 3.3 trillion barrels of restorable oil. Planet earth is blessed with about 600 known oil shale deposits, most of which is found in United States of America. Although several countries have oil hale deposits, known deposits of economic importance is found only in 33 countries.

Student-centered classrooms are the goal of my teacher-designed blended learning model. Giving students control over the learning process requires that they know how to communicate, collaborate, and solve problems in groups, pairs, and individually. This work can be messy, loud, and disorganized, but in the end, the learning is much more meaningful.

Then I found Collaborize Classroom, a free, dynamic discussion platform. I used it to replace many of my pen-and-paper homework assignments with vibrant online debates, discussions, writing assignments, and collaborative group work.

Remember that mistakes lead to learning. The best resources I've designed and the most effective strategies I've developed were all born from and refined through mistakes.

I anticipated that students might hit some bumps as they navigated their first TED-Ed lesson, so I set up a TodaysMeet back channel so students could ask questions, make comments, and access a support network while going through the online lesson. A back-channel tool makes it possible for people to have a real-time conversation online while a live presentation or real-time discussion is taking place.

I asked students to reference specific details to support their assertions, as did one student who commented on the town's poverty by noting that the local doctor often took potatoes as payment for his work. She also showed how the characters nevertheless reflected the country's "cautious optimism" about its future: That same doctor was still able to support himself, she pointed out, and he enjoyed his work. Students posted their responses, complimenting strong points made, asking questions, and offering alternative perspectives.

I asked students to analyze examples of strong discussion posts and revise weaker posts. I also realized that I needed to embed directions into our discussion topics to remind students to respond to the questions and engage with their peers. I started requiring them to thoughtfully reply to at least two classmates' posts, in addition to posting their own response to the topic.

It's crucial for students to see that the work they do in the online space drives the work they do in the classroom so they recognize the value of the online conversations.

For example, during the To Kill a Mockingbird unit, we researched and discussed the death penalty in preparation for writing an argument essay. The students debated online such issues as cost, morality, and racial inequality and then delved into these topics more deeply face-to-face in class.

In the classroom, the teacher might give small groups various topics to research. Then he or she could ask students to go online to research and discuss their topic on a shared Google Doc and create a presentation using Glogster, Prezi, or Google Presentation Maker.

Some teachers think that incorporating online work means they have to be available 24 hours a day. This is not the case. When students are connected online, they have a network of peers they can reach out to for support, and they begin to see one another as valuable resources in their class community.

I've embedded a Google map in my website that has pins dropped in all the locations on our campus and in our community where there are computers with public access to the Internet.

I even wrote the local computer recycling center to request a computer for my class.