2026–27 · Backup lesson · Fall 2026
Clean Cover Care: Compare Heat-Loss Barriers and Check a Cold-Weather Kit
Adult extension of: Clean Cover Care
Unscheduled alternative · available resource
Renamed from Emergency Blanket and Staying Warm. The activity below retains the existing heat-loss and cold-weather-kit investigation.
Compare coverings around a warm-water container to observe relative cooling in a simple model. Connect the limits of the test with a practical cold-weather readiness check and a plan to seek help when needed.
Curriculum skill focus: Warmth awareness, material comparison, emergency choice
01 · Learning
Objectives
- Measure or compare temperature change in a controlled model.
- Explain that a covering reduces heat loss rather than producing heat.
- Identify a practical cold-weather preparation and help-seeking action.
02 · Preparation
Materials
Two or three identical sealed shatter-resistant containers; safely warm water prepared by facilitator; thermometer or displayed readings; towel or fabric; commercial emergency blanket sample; timer; dry tray; winter-kit images. No person is wrapped for testing.
03 · Practice
Adult project
- 1
Set a model-only question: which covering slows cooling under these room conditions? Check water temperature safely and choose measuring, timing, wrapping, or recording roles.
- 2
Fill identical containers with equal amounts of the same safely warm water and record starting temperatures. Leave one uncovered; wrap the others with selected materials without covering any person’s face or body.
- 3
Record temperatures after equal intervals in the same location. Keep probes and measurement methods consistent and note any difference in starting conditions.
- 4
Compare temperature changes, acknowledging measurement uncertainty. Discuss insulation, air movement, and radiant heat without claiming that the model proves survival performance.
- 5
Review a practical cold-weather kit: appropriate dry clothing, shelter plan, communication, and commercially supplied emergency equipment used as directed. Identify who to contact and where to go if conditions become unsafe.
- 6
Create a personal check reminder, empty and dry the model safely, and return equipment. State clearly that suspected hypothermia requires urgent professional help rather than further experiments.
Evidence & interpretation
What the investigation shows
Objects lose heat through several processes, including conduction, convection, and radiation. A covering changes heat transfer but creates no new heat; a container model cannot predict a person’s medical safety.
Practical connection
Why this work matters
The lesson combines measurement, clothing and equipment judgment, routine preparation, and self-advocacy. A person can contribute meaningfully without cold exposure or wearing unfamiliar materials.
Participation by choice
Individual access options
- Offer fabric or photographs instead of reflective crinkly material for sensory comfort.
- Use a seated dry role, partner handling, and large temperature displays.
- Participants may compare warmer / cooler / similar using provided readings or calculate changes when appropriate; no personal health disclosure is needed.
Review & transfer
Reflect on the work
- What did the temperature record show, and what did it leave untested?
- Which preparation would make it easier to ask for help before conditions become unsafe?