102 – LESSON 2: Microplastics

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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
Learning Objectives
SECTION 1: WHAT ARE MICROPLASTICS?
Video 1: Microplastics explained
Categories of microplastics…
Mega, macro, meso, micro, and nanoplastics…
Visualizing the size classification of microplastics…
Types of microplastics…
Knowledge Check #2.1a
Knowledge Check #2.1b
SECTION 2: WHERE DO MICROPLASTICS COME FROM?
What happens when plastic degrades?
Video #2: Sources of Microplastics
Sources of microplastics…
Sources of microplastics (cont’d)…
What are microbeads?
Examples of microbeads…
What are microfibers?
Examples of microfibers…
Laundry’s Contribution to the Microplastic Problem
Knowledge Check #2.2
SECTION 3: WHAT ARE THE EFFECTS OF MICROPLASTIC POLLUTION?
Microplastic pollution…
Microplastic pollution in our soil…
Effects of microplastics on agricultural soils…
Effects of microplastics on agricultural soils… cont.
Effects of microplastic pollution on plants…
Microplastic pollution in our waters…
Video #3: The dangers of plastic pollution for marine animals
Effects of microplastic pollution on marine life…
Video #4: How microplastic pollution affects marine life
What are food chains and food webs?
What are trophic levels?
Trophic transfer of harmful toxins…
What are plankton?
Video #5: Zooplankton feeding on microplastics
Biomagnification & bioaccumulation…
How is biomagnification related to microplastics?
Video #6: How microplastics biomagnify up the food chain
Trophic transfer & biomagnification…
Microplastic pollution in our air…
Microplastic inhalation over average human lifetime…
Effects of microplastics on human health…
Exposure pathways to microplastics…
Video #7: Testing for microplastics
Video #8: Microplastics found in human blood
Microplastics in clogged arteries…
Microplastics in the human body…
Health impacts of exposure to chemicals in microplastics…
Examples of food & drinks containing microplastics…
Ways to avoid & reduce microplastics in your food…
Ways to avoid & reduce microplastics in daily life…
Impacts of micro- and nanoplastics on human health…
QUIZ
You’ve reached the end of Lesson 2!
Lesson 2 – Final Quiz

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