1. Gateway – Unit 7 – Green Architecture
Recycling System
Gateway – Unit 7 – Green Architecture
Green Architecture
© 2012 Project Lead The Way, Inc.

2. Presentation Name
Course Name
Unit # – Lesson #.# – Lesson Name
What happens to bottles, cans, and newspapers when you drop them off at the recycling center?
They go to a:
Sorting facility
Processing plant
Manufacturing plant
Consumer (to buy as a different product)

3. Recycling System
Collecting/Sorting – Each item that can be recycled is collected into one location and then sorted according to type. Non-recyclable items are removed.

4. Recycling System
Processing – Recyclable items go through several processes to clean, chop, reduce, and reshape into a raw material.
Raw Material – The basic material something is made from

5. Recycling System
Manufacturing – the raw material is then created into something new from the recycled material.

6. Recycling System
Selling/Purchasing/Reusing – The final step is to take the new recycled product to the consumers and public for purchase or reuse.

7. Recycling – Closed Loop System
Presentation Name
Course Name
Unit # – Lesson #.# – Lesson Name
Recycling – Closed Loop System
If consumers buy the product, the feedback is good. Since recycling is good for the environment, the feedback to the earth is always good.

8. Recycling Paper Process Input Output Feedback Used paper Garbage
Presentation Name
Course Name
Unit # – Lesson #.# – Lesson Name
Recycling Paper
Process
Separated, packed into bales
Shredded and soaked in a hydra-pulper
Chopped, stirred, and drained
Chemicals and dyes are added
Poured onto a mesh frame, water drains
Water is squeezed out and the paper is dried
Iron rollers make the paper smooth
Input
Used paper
Garbage
Output
Large rolls
of paper
Discuss other closed loop systems with students.
Feedback
Manufacturers buy the recycled rolls and make it into products like notebook paper, books, and newspapers
If the product is poor, no one buys it

9. Energy: Yesterday, Today and Tomorrow
PLTW Gateway
Unit 3 – Lesson 3.2 – Solving the Energy Crisis
Image Resources
Microsoft, Inc. (2011). Clip art. Retrieved from