Heat and cold stress awareness
Recognize heat-related illnesses from heat rash to heat stroke, the conditions and personal factors that raise the risk, how acclimatization, water, rest, shade and buddy checks prevent illness, how to respond and when to call emergency services, and the basics of cold stress (hypothermia, frostbite, trench foot). US (OSHA, NIOSH, CDC) and UK (HSE) examples; first-aid awareness only.
- Level
- Beginner
- Length
- About 50 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 1 Oct 2026
Skills you'll practise
- Recognize the signs of heat stroke, heat exhaustion, rhabdomyolysis, heat syncope, heat cramps and heat rash
- Explain why new and returning workers need acclimatization, and check a schedule against NIOSH's guidance
- Apply water, rest, shade and buddy checks during hot work, and report heat concerns through the site process
- Choose the right first response to a heat or cold illness, including when to call emergency services
- Recognize warning signs of hypothermia and frostbite and the main ways to prevent cold stress
Course outline
- 1.Heat and cold stress awarenessVideo · 3 min
- 2.How heat harms the bodyLesson · 17 min
- 3.Preventing heat illnessLesson · 17 min
- 4.Responding, and cold stressLesson · 16 min
- 5.Heat and cold stress awareness: knowledge checkKnowledge check · 22 questions
- 6.Heat and cold stress awareness: practical exerciseKnowledge check · 1 question
- 7.Final exam8 questions · passing it completes the course, so people who already know the material can test out
Sources it draws on
The lessons and questions are written from these references, so learners can go back to the original.
- NIOSH: Heat-related illnesses (symptoms and first aid)
- NIOSH: Heat stress recommendations (acclimatization schedules, hydration, buddy system)
- OSHA: Heat exposure (Water. Rest. Shade.; General Duty Clause; new and returning workers)
- OSHA: Heat injury and illness prevention rulemaking (proposed rule published 30 August 2024)
- HSE: Temperature in the workplace, employer guidance (UK)
- NIOSH: Cold stress (types of cold-related illness, prevention)
- CDC: Preventing hypothermia and frostbite (warning signs, what to do)
- Your employer's safety procedures, risk assessments and site rules (these govern)
See it with your own jobs and topics
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