Plastics – Impacts
Warmup Think about the following and answer in your notebook. What types of plastic do we use most? How can we reduce our use of single-use plastics?
Plastic has a multitude of uses.
Where does plastic come from? Petrochemicals ▫Fossil fuels (oil, gas) Non-renewable resource Unnatural chemicals ▫Polymerization
What is plastic used for? Characteristics ▫Strong, flexible, light, can float ▫Long lifespan Uses ▫Long term ▫Short term
How long does plastic last? Type of PlasticDecomposition Time (yrs) Plastic beverage bottle450 Foamed plastic buoy80 Foamed plastic cup50 Plastic film container20-30 How long is plastic used for?
Disposing of plastics is a problem Plastics don’t rot, so they build up in our environment if not disposed of properly. Plastics are not biodegradable and can take hundreds of years to break down.
Video Links Plastic Oceans ▫ Great Pacific Garbage Patch ▫ The Story of Bottled Water ▫ water/ water/
Plastic Assignment Project Grade Due 10/30 Keep a journal of the plastic you consume in one week (this week).
Cover Plastic Journal October 19 – 25, 2015 John Doe Marine Science Period 1
Pages 1-3 Page 1: Table of contents Page 2: What is the origin, usage and lifecycle of plastic? Page 3:How does plastic get out to sea? What is the impact of plastic in the ocean?
Pages to track plastic (Pages 4-8) Monday, October 19, 2015 Chart or list for every day ▫Made of plastic or contain plastic ▫illustrations encouraged. ▫2 days can be on one page (Pages 4-7) Page 8: Chart for weekly total after all days Plastic itemTypeQuantity Water bottle12 Egg carton61
Consider your use Page 9: Discuss your thoughts regarding what you consumed and used in a week. Was it what you expected? More? Less? Think about how much you used and multiply it by the number of students in your school, the number of people in the town where you live, the number of people that live in Broward county, The number of people who live in Florida. Share these numbers and your thoughts on this.
Changing your use… Page 10: Look back at the list of plastic items you used this week and see if there are alternatives you could use instead. What did you use?What could you use instead? What might prevent you from making this change? Plastic kettleMetal kettleMoney Disposable water bottle Reusable water bottleConvenience
Changing your use… Page 11: Discuss in words which changes you are likely to make and what the overall impact might be on your plastic consumption. Are you likely to share this change with others? Are there changes that other institutions could make to improve the problem with plastics? Discuss your thoughts on keeping this journal. What did you learn about plastic? What did you learn about human impact on the environment? What impact did this learning have on you as an individual? Are you likely to change any behaviors?
Types of plastic Page 12: List and describe the characteristics of the 7 types of plastic. What are they generally used for? Which are recyclable? ▫Chart is acceptable
Plastic Assignment Project Grade Due 10/30 Keep a journal of the plastic you consume in one week (this week). Set alarm on phone to remind you to jot down daily items.