Plastic
Properties of Plastic
Plastic is a synthetic material made from polymers, which are long chains of molecules. It is a versatile material that is used in a wide variety of products due to its durability, flexibility, and low cost.
Properties of Plastic
Types of Plastic
There are several different types of plastic, each with its own unique properties and uses:
- Polyethylene (PE)
- Polypropylene (PP)
- Polyvinyl Chloride (PVC)
- Polystyrene (PS)
- Polyethylene Terephthalate (PET)
Environmental Impact
While plastic has many benefits, its disposal and environmental impact have become significant concerns. Plastic waste can take hundreds of years to decompose, leading to pollution of land and water. Efforts are being made to reduce plastic use, increase recycling, and develop biodegradable alternatives.
Study Guide
Key Concepts
- What are the properties of plastic?
- Name and describe at least three types of plastic.
- What are the environmental concerns associated with plastic?
Practice Questions
- What makes plastic a versatile material?
- Explain the difference between polyethylene and polystyrene.
- Discuss the importance of reducing plastic waste and increasing recycling efforts.
Activities
- Research and present on a specific type of plastic and its uses.
- Conduct a recycling audit at home or in your community to understand the amount of plastic waste generated.
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Worksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
Earth/Space Science: Students will use scientific skills and processes to explain the chemical and physical interactions (i.e., natural forces and cycles, transfer of energy) of the environment, Earth, and the universe that occur over time.
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Explain how sedimentary rock buried deep enough may be reformed by pressure and heat and these reformed rock layers may be forced up again to become land surface and even mountains.