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Learning Objectives
Microplastics: An introduction to microplastics including sources of microplastics and why microplastics are an issue.
After completing this lesson, you will be able to:
- Define microplastics
- Describe the two categories of microplastics
- Describe microplastics by characteristics of size and shape
- Identify four main sources of microplastics
- Describe harmful effects of microbeads and microfibres
- Explain how our soil is affected by microplastics
- Explain how our water is affected by microplastics
- Explain harmful effects of microplastics on marine animals
- Explain how our air is affected by microplastics
- Explain how microplastics, and toxins carried on them, move up the food chain
- Explain the harmful effects of micro- and nanoplastics on human health
- Apply ways to avoid and reduce microplastics in food
- Apply ways to avoid and reduce microplastics in daily life
Lesson Content
INTRODUCTION
About This Lesson
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Learning Objectives
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SECTION 1: WHAT ARE MICROPLASTICS?
Video 1: Microplastics explained
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Categories of microplastics…
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Mega, macro, meso, micro, and nanoplastics…
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Visualizing the size classification of microplastics…
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Types of microplastics…
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Knowledge Check #2.1a
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Knowledge Check #2.1b
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SECTION 2: WHERE DO MICROPLASTICS COME FROM?
What happens when plastic degrades?
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Video #2: Sources of Microplastics
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Sources of microplastics…
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Sources of microplastics (cont’d)…
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What are microbeads?
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Examples of microbeads…
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What are microfibers?
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Examples of microfibers…
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Laundry’s Contribution to the Microplastic Problem
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Knowledge Check #2.2
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SECTION 3: WHAT ARE THE EFFECTS OF MICROPLASTIC POLLUTION?
Microplastic pollution…
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Microplastic pollution in our soil…
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Effects of microplastics on agricultural soils…
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Effects of microplastics on agricultural soils… cont.
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Effects of microplastic pollution on plants…
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Microplastic pollution in our waters…
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Video #3: The dangers of plastic pollution for marine animals
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Effects of microplastic pollution on marine life…
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Video #4: How microplastic pollution affects marine life
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What are food chains and food webs?
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What are trophic levels?
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Trophic transfer of harmful toxins…
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What are plankton?
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Video #5: Zooplankton feeding on microplastics
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Biomagnification & bioaccumulation…
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How is biomagnification related to microplastics?
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Video #6: How microplastics biomagnify up the food chain
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Trophic transfer & biomagnification…
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Microplastic pollution in our air…
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Microplastic inhalation over average human lifetime…
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Effects of microplastics on human health…
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Exposure pathways to microplastics…
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Video #7: Testing for microplastics
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Video #8: Microplastics found in human blood
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Microplastics in clogged arteries…
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Microplastics in the human body…
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Health impacts of exposure to chemicals in microplastics…
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Examples of food & drinks containing microplastics…
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Ways to avoid & reduce microplastics in your food…
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Ways to avoid & reduce microplastics in daily life…
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Impacts of micro- and nanoplastics on human health…
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QUIZ
You’ve reached the end of Lesson 2!
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Lesson 2 – Final Quiz
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