Teacher Notes
Do the Research (30 minutes) > Print/View All Notes
Students will build their understanding of eco-friendly materials and practices in this activity. Assist students with note-taking strategies as they explore the reading on the website and complete the following chart on page 6 of their Engineering Portfolios.
Environmental Impact Comparison Chart (Answer Key)
Options |
Environmental Impact |
Other Factors to Consider |
---|---|---|
Bamboo |
grows quickly with little water and does not require pesticides to thrive; however it takes more energy and chemical processing to turn bamboo into soft fabric |
expensive to produce |
Hemp |
does not require excessive water or pesticides, but
|
fabric is rough, wrinkles easily and color is often not rich |
Organic cotton |
partially watered by rain and supplemented with irrigation; harmful chemicals are not used to deal with weeds and pests |
expensive to produce |
Vegetable dyes |
made from plants and
|
colors fade easily |
Low-Impact dyes |
contain no or few toxic chemicals and can be used at a low temperature, meaning less energy is used to heat the water involved in the dying process |
expensive |
Domestic manufacturing (made in the U.S.) |
minimal energy used in transportation οΎ |
higher labor costs |
Overseas manufacturing |
more energy is used in transporting goods from oversees, which contributes to the release of greenhouse gases |
lower labor costs, but companies must pay additional taxes and shipping costs |
Made with no recycled materials |
may take more energy to process materials |
may have negative impacts on the environment; is not eco-friendly; may require more effort or expense |
Made with some or all recycled materials |
may take less energy to process materials; diverts some materials from landfills |
may require more effort or expense |
Standards Addressed: SSOP3, SSOP5, WHST 6-8.8, MS-ESS3.C, MS-ESS3.D