Podcast
Questions and Answers
What is the main purpose of recycling?
What is the main purpose of recycling?
- To increase the amount of waste in the environment.
- To produce new materials from non-recyclable waste.
- To reduce the amount of trash in landfills and preserve natural resources. (correct)
- To separate different types of trash from each other.
What symbol is stamped on products that can be recycled?
What symbol is stamped on products that can be recycled?
- A star with five points
- A triangle with three arrows (correct)
- A circle with a cross
- A picture of a tree
What happens to paper materials after they are collected for recycling?
What happens to paper materials after they are collected for recycling?
- They are thrown away with other non-recyclable trash.
- They are bundled and sent to a landfill.
- They are melted down to create new paper.
- They are shredded, heated, and mixed with chemicals to create a material to make new paper. (correct)
Which of the following materials cannot be recycled?
Which of the following materials cannot be recycled?
Why is it important to recycle paper?
Why is it important to recycle paper?
What happens to the plastic at the recycling center after being ground up into tiny flakes?
What happens to the plastic at the recycling center after being ground up into tiny flakes?
What is done to the crushed glass at the factory?
What is done to the crushed glass at the factory?
What happens to metal containers after they are collected?
What happens to metal containers after they are collected?
What can be made from the liquid metal after it is flattened and dried?
What can be made from the liquid metal after it is flattened and dried?
Why is recycling plastic water bottles important?
Why is recycling plastic water bottles important?
Study Notes
What is Recycling?
- Recycling is the process of taking materials ready to be thrown away and converting them into reusable materials to reduce trash in landfills and preserve natural resources.
- Recycling helps reduce pollution of Earth's soil, water, and air.
- It also prevents depletion of natural resources.
Recyclable Materials
- Only certain materials can be recycled: glass, paper, plastic, and metal are the main recyclables.
- Some recycling centers also take organics like banana peels and chicken bones.
- The symbol indicates that a product can be recycled.
Paper Recycling
- Paper can be recycled and reused, including cardboard boxes, newspapers, computer paper, paper bags, junk mail, magazines, and activity books.
- Recycling factories ensure paper is clean, bundle it, and send it to a paper mill.
- At the mill, paper is shredded, heated, and mixed with chemicals to create a material for making new paper.
Plastic Recycling
- Plastic items like plastic bags, containers, rubber bands, plastic wrap, and milk cartons can be recycled.
- About 60 million water bottles are destroyed by burning or sent to landfills, where they take up to 700 years to decompose.
- Plastics are ground up into tiny flakes, washed, dried, and melted into tiny pellets that are sold to companies to be formed into other products.
Glass Recycling
- Glass bottles can be recycled and reused.
- Collected glass is cleaned, crushed, and sorted.
- Crushed glass is used to make raw glass material, which is mixed and heated to create liquid glass that can be used to make new glass bottles and other materials.
Metal Recycling
- Metal containers like soda cans and food cans can be recycled.
- Collected metal is separated from other materials using magnets, washed, crushed, and melted at high temperatures.
- Liquid metal is flattened and dried into sheets, which are then sold to companies to be reused.
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Description
Understand the importance and process of recycling, its impact on the environment, and how it helps reduce trash in landfills.
