材料科學：從羊毛到針（羊毛加工實踐）
在這個為期 5 週的課程中，學生將了解將羊毛從原毛加工成紗線的過程。
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5 現場會議
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課堂經歷
英語程度 - 未知
美國 5 - 8 年級
In this series, students will be introduced to wool processing through lecture and hands-on activity. We will take our project from raw wool to yarn. Some activities will require out-of-class work. Week 1: History of Wool - Lecture - Fermenting our wool (activity) Students will learn the history of wool and the different breeds of sheep bred for wool. Students will start the fermentation of the wool to increase the colorfastness of our dyes. Week 2: Difference Between Hair and Wool Preparing Our Natural Dye - Mini lecture - Activity Students will learn about why we don't call wool "hair". Students will prepare their dyes to use later. Week 3: Carding Raw Wool Into Roving - Mini lecture - Activity Students will learn about the purpose of carding wool. Students will card their wool. Week 4: Dyeing the Wool Chemistry Behind Dyeing Wool - Mini lecture - Activity Students will learn about what happens when we dye natural fibers. Students will start the dyeing process. Week 5: Spinning - Activity Students will spin their wool into yarn.
其他詳情
父母的引導和規範
We will use the stove one day to heat our dyes - we will provide a safety briefing, but this can be dangerous. Parents may want to be available that day to assist their learner to maximize safety.
供應清單
Day 1: Raw Unprocessed Wool ($10-20) Container that will fit our wool for fermentation (with a lid) Day 2: Choose any of the following dyes: Madder root (red) Red cabbage (pink, purple, or blue) Beet (dark pink) Avocado skins (light pink) Blueberries or Blackberries (blue) Indigo (blue) Spinach (green) Carrot tops (green) Rosemary (green) Goldenrod (yellow) Onion skins (orange) Coffee grounds (brown) Walnut hulls (brown) Koolaide (whatever color the powder is) Medium pot Stove Digital scale Jars (2-3) or large container to hold the dye large enough for our dye and some wool Day 3: Our fermented wool, washed in cold water and dried completely Hand Carder ($10-25) Day 4: Jars of dye prepared previously Alum (mordant) Roving (we made this from the wool with our carder last class) Rubber gloves Day 5: Drop Spindle ($15)
外部資源
學習者無需使用標準 Outschool 工具以外的任何應用程式或網站。
來源
"History of Wool and Woolcombing"by James Burnley
評論
現場團體小班課程
US$50
用於 5 課程每週1次，共 5 週
55 分鐘
有3 位學習者完成此課程
即時視訊會議
年齡: 10-15
3-6 每班學員人數
