home > physical science > physical science 107 > syllabus > Lesson Seven: Ocean Pollution
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Ocean Pollution: Plastic
Questions
- What is meant by ocean debris?
- How much debris winds up in the oceans each year?
- What is plastic? How is it made?
- Why is plastic trash a problem?
Lecture Notes
News Articles
Background Information
Demonstrations
- Making Nylon from Adipoyl chloride and hexane 1,6-diamine
- Homemade Plastic
- How Plastic Bags are Made
- How Toothbrushes are Made
Take Away (Main) Points
- Plastic debris is accumulating in the Pacific Ocean due to swirling water currents called gyres.
- The main types of plastic are polymers with bonds that resist breaking down and may last for hundreds of years.
- Some types of plastic may be recycled.
- 80% of the plastic in the ocean originates on land.
- Plastic has been found tangled around animals and inside them.
- Humans make and use plastic.
- Plastic is made from starting materials that are from the processing of petroleum products.
- Biodegradable plastics do exist but they are relatively new on the market.
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