Investigate the materials used to make your outer jackets and clothing.
At home, read the fabric labels on your jackets and outerwear, and write down the materials listed.
Report to the class which fibers your clothing's fabric contains.
Add to your list the contents of any other fabrics worn by your classmates.
Invite a representative from an outfitters or outdoor equipment store to discuss characteristics in fabrics that make the materials lightweight, provide warmth and insulation, and wick moisture.
Examine clothing samples that demonstrate these characteristics.
Discuss the factors that affect windchill.
Identify how windchill is created.
What effect does it have on your body's ability to stay warm in cold weather?
Look through camping books, catalogs, and magazines to find references about materials used in boots, sleeping bags, packs, and other outdoor equipment.
List the materials named in these articles and advertisements.
What characteristics were cited as the most valuable?