How to recycle all kinds of metals
  • 1. Which of these metals is MOST commonly recycled?
A) Gold
B) Aluminum
C) Platinum
D) Titanium
  • 2. What is the FIRST step in recycling most metals?
A) Smelting
B) Collection
C) Purification
D) Melting
  • 3. Why is it important to recycle metals?
A) Reduces metal value
B) Increases mining activity
C) Conserves natural resources
D) Creates more landfills
  • 4. Which type of metal is often found in electronic waste (e-waste)?
A) Rare earth metals
B) Lead
C) Aluminum
D) Iron
  • 5. What is 'smelting' in the metal recycling process?
A) Cleaning the metal
B) Compressing the metal
C) Sorting the metal
D) Extracting metal from ore
  • 6. Which appliance contains a significant amount of recyclable steel?
A) Refrigerator
B) Television
C) Microwave (most parts are not steel)
D) Toaster
  • 7. What symbol indicates recyclable material, including metals?
A) A lightbulb
B) A skull and crossbones
C) The chasing arrows symbol
D) A dollar sign
  • 8. Why is sorting metal important before recycling?
A) To hide it from view
B) To prevent contamination
C) To change its color
D) To make it heavier
  • 9. What can happen if metals are NOT properly recycled and end up in landfills?
A) Air purification
B) Plant growth
C) Increased biodiversity
D) Soil and water contamination
  • 10. What is the purpose of shredding metals before recycling?
A) To make them smaller, but decrease surface area
B) To make them stronger
C) To increase surface area
D) To polish them
  • 11. Which of the following is a ferrous metal?
A) Copper
B) Aluminum
C) Steel
D) Brass
  • 12. What is the benefit of recycling steel?
A) Reduces iron ore mining
B) Decreases water usage
C) Increases air pollution
D) Increases the need for coal
  • 13. Which metal is commonly used in plumbing and is recyclable?
A) Copper
B) Magnesium
C) Tin
D) Nickel
  • 14. What is leaching in landfills?
A) When plantlife regrows in a landfill
B) When a magnetic current is created.
C) When gas is turned into a liquid
D) When harmful substances dissolve in water and flow into soil
  • 15. What's the best way to prepare metal cans for recycling?
A) Rinse them out.
B) Crush them.
C) Remove any labels, but do not rinse
D) Leave food and liquid inside.
  • 16. What hazard may be present in recycling old electronics?
A) Sugar
B) Protein
C) Calcium
D) Lead
  • 17. Which business recycles the most scrap metal?
A) Food Service
B) Healthcare
C) Retail
D) Automotive
  • 18. What is an alloy?
A) Type of ore
B) Pure metal
C) A chemical used to break down the metal
D) Mixture of metals.
  • 19. Why does melting metal reduce the carbon footprint?
A) Creates more landfills.
B) Creates more carbon
C) Removes carbon already created.
D) Uses less energy than new production
  • 20. What is a potential revenue stream for recycling metal?
A) Having to pay a fee for recycling.
B) Paying to store the metal.
C) Selling recycled metal.
D) Using toxic chemicals.
  • 21. How often can aluminum be recycled?
A) Five times
B) Twice
C) Once
D) Infinitely
  • 22. Which metal is used as rust resistance?
A) Lead
B) Aluminum
C) Iron
D) Zinc
  • 23. What safety equipment is needed to process scrap metal?
A) Bathing suit
B) Gloves and eye protection.
C) Shorts and sandals
D) No equipment is needed
  • 24. What should one do with aerosol cans prior to disposal?
A) Burn them
B) Empty them completely
C) Puncture them
D) Throw them in the trash
  • 25. Which of these cannot be recycled in typical recycling centers?
A) Steel food cans
B) Batteries
C) Scrap metal
D) Aluminum Cans
  • 26. How are cars recycled?
A) They are left to rust
B) Incinerated
C) Crushed and smelted
D) They are sent to landfills
  • 27. What is the result of over mining?
A) Reversal of climate change
B) Increase of fertile soil
C) Destruction of ecosystems
D) Creation of new mountains
  • 28. What does 'precycling' mean?
A) Melting metal
B) Smelting metal
C) Dumping waste in a landfill
D) Reducing waste before it's created
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