Introduction
The thermal protection of a home is essential; controlling durability, cost of operation and homeowner comfort. You probably don't know what kind of insulation your home has, but it is very important for a home owner to choose the best one for their home. So as a future home owner you have a chance to learn about it here.
Task
To complete the tasks you will have to watch a video about the production of cellulose insulation. After you watch the video you will have to answer questions based on the video and do independant work to complete the extra tasks. And after you answer the questions you will have to compare the answers and hand in your work. You will need a computer, a pen and paper to make notes while watching the video. Good luck!
Process
Process part I:
Step 1: Watch the video
Step 2: Make notes
Process part II:
Step 1: Read the questions
Step 2: Write down the answers on a piece of paper
QUESTIONS:
1. What is cellulose fiber made from?
2. Why doesn't it emit any gases?
3. Is the cellulose production automated or manually controled?
4. What is the machine where paper goes in first called?
5. What does the primary mixer do?
6. Name the materials that the magnet removes?
7. How long are the shredded paper pieces?
8. What role does boric acid play in cellulose fiber production process? Name 3 things.
9. What are ''bats''?
10. Which type of insulation has a higher R-value? Cellulose fiber or Loose fill mineral insulation?
Process part III:
Step 1: Go to https://bct.eco.umass.edu/publications/articles/cellulose-insulation-a-smart-choice/ , http://solar365.com/green-homes/insulation/cellulose-insulation-pros-cons
Step 2: Explore the websites and write a short summary "Why is cellulose fiber insulation the best one for your home''. Nam 3 advantages and 3 disadvantages (approximately 100 words)
Process part IV:
Step 1: Compare and check your answers for Process part II
Step 2: Hand in your work to your teacher
Evaluation
1. Check your answers for Process part II questions
ANSWERS:
1. Recycled paper.
2. Because there is no formaldehyde
3. Automated.
4. The primary mixer.
5. It separates the bunched up pieces and prepares them for shredding.
6. Staples, paper clips, any pieces of metal.
7. About 5cm long.
8. 1) Acts as a fire retardant, 2) Makes the insulation pest resistant, 3) Helps fend off mold, wood decay, corrosion.
9. Thick rectangular blankets.
10. Cellulose fiber insulation.
2. Have your teacher check your answers also
3. Hand in Process III task
4. Turn to your teacher with any questions
If you have answered half the questions correctly then you have completed the task!
Conclusion
Congratulations! You just learned everything about the production of cellulose insulation. You now know how it is made and you learned about its advantages and disadvantages. You completed the tasks and did independent research. Good job! Now you know everything you need to know when building and choosing insulation for you home!
Credits
Video: www.youtube.com
Reading and learning material: www.solar365.com , https://bct.eco.umass.edu/
Teacher Page
Anotācija
Šajā webquestā tika apskatīts mācību materiāls par celulozes izolācijas vates ražošanu. Kā arī apgūts mācību materiāls par celulozes vates izmantošanas priekšrocībām un trūkumiem. No pierakstiem tika atbildēts uz dotajiem jautājumiem un izpildīts papildu uzdevums.Darba mērķis bija apgūt vielu par celulozes vates ražošanu, saprast tās priekšrocības un trūkumus, un ar uzdevumiem pārbaudīt apgūtās vielas sapratni, pielietojot jau ķīmijas stundās apspriestās tēmas.