Year 7 Science: Recycling PDF

Year 7 Science: Mixtures [Recycling] Task 1: Read Science Quest (p287 2nd Edition) then answer the questions in full sentences in your book 1. State two advantages of recycling in terms of both landfill and natural resources. 2. What happens in the pre-sort? What materials are separated an...

Year 7 Science: Mixtures [Recycling] Task 1: Read Science Quest (p287 2nd Edition) then answer the questions in full sentences in your book 1. State two advantages of recycling in terms of both landfill and natural resources. 2. What happens in the pre-sort? What materials are separated and removed? How are they identified for separation? 3. What happens in the trommel? When physical property is used for separating the mixed materials in the recycling 4. How are the steel cans separated? 5. How are the aluminium cans separated? 6. How is glass separated from plastic, aluminium and paper? 7. How are the different types of plastics separated? 8. How many cans can you make with recycled aluminium using the same amount of energy as making one new can of aluminium from raw materials? Task 2: Watch this video then answer the questions below [[https://www.youtube.com/watch?v=KmMP67eC2tg]](https://www.youtube.com/watch?v=KmMP67eC2tg) 6 min video**.** How Are Aluminium Cans Recycled? \| How Do They Do It? DCode by Discovery Sep 2018 1. What is the first stage in the process after the cans have been collected and squashed into bales? 2. How is metal sorted from non-metal? 3. How are plastic and glass removed? 4. How is steel removed? 5. What temperature does aluminium melt at? 6. What temperature is the furnace that melts the aluminium chips? 7. How much aluminium can fit in a furnace? 8. What is dross, why is it made, is it useful, how is it removed? 9. How many cans make an ingot? 10. Why is aluminium expensive? [Extension] The Big Sort: An Insider\'s Tour of a Recycling Plant Every day at the Sims Municipal Recycling facility in Sunset Park, Brooklyn, roughly 800 tons of recyclables meander through a tangle of machines, scanners, and conveyor belts. Mountains of discarded metals, glass, and plastic are sifted, sorted, and bundled into bails, eventually transforming into marketable commodities. How 6 Million Pounds Of Electronic Waste Gets Recycled A Month Insider Business