1. What does the term recycling mean?
o a) Reprocessing waste for reuse
o b) Disposing of trash in landfills
o c) Burning waste to generate energy
2. Which of the following materials can be recycled?
o a) Paper
o b) Plastic
o c) Metals
o d) All of the above
3. What symbol represents recycling?
o a) A green leaf
o b) A triangle of arrows
o c) A circle
Recycling Processes
4. What is the first step in the recycling process?
o a) Waste sorting
o b) Shredding
o c) Melting
5. What is the method used to recycle glass called?
o a) Remelting
o b) Crushing
o c) Combining
Types of Recyclable Materials
6. Which type of plastic is marked with the code PET?
o a) Polypropylene
o b) Polyethylene terephthalate
o c) Polyvinyl chloride
7. What is most commonly made from recycled aluminum?
o a) New cans
o b) Disposable bags
o c) Building materials
Applications and Environmental Aspects
8. Why is recycling important for the environment?
o a) It reduces the amount of waste in landfills
o b) It decreases the consumption of natural resources
o c) It lowers carbon dioxide emissions
o d) All of the above
9. What can be made from recycled paper?
o a) Newspapers
o b) Toilet paper
o c) Packaging
o d) All of the above
10. What is the process of turning organic waste into fertilizer called?
o a) Composting
o b) Pyrolysis
o c) Degradation
11. Which material takes the longest to decompose in landfills?
o a) Glass
o b) Plastic
o c) Aluminum
12. What does the "3 Rs" of recycling stand for?
o a) Recycle, Reuse, Reduce
o b) Reduce, Rebuild, Reuse
o c) Reuse, Reorganize, Rebuild
Recycling Processes
13.Which type of waste requires special facilities for recycling due to its hazardous
nature?
a) E-waste (electronics)
b) Paper waste
c) Organic waste
14.What happens to plastic during the recycling process?
a) It is melted and reformed into new products
b) It is mixed with other materials to create composite products
c) Both a and b
Types of Recyclable Materials
15.What are textiles made from recycled plastic bottles commonly used for?
a) Carpets
b) Clothing
c) Both a and b
16.Which type of cardboard is easiest to recycle?
a) Wax-coated cardboard
b) Corrugated cardboard
c) Laminated cardboard
Applications and Environmental Aspects
17.What is the main environmental benefit of recycling steel?
a) Reducing energy consumption during production
b) Reducing greenhouse gas emissions
c) Both a and b
18.What is an example of downcycling?
a) Turning plastic bottles into fleece jackets
b) Recycling paper into lower-quality paper
c) Both a and b
Advanced Knowledge
19.How many times can glass be recycled without losing quality?
a) 5 times
b) 10 times
c) Infinite times
20.Which country is considered a leader in recycling, achieving some of the highest
rates worldwide?
a) Germany
b) United States
c) Japan
