← 2.6 Microorganisms

Spread by air: droplets and coughing

General Science · Grade 10 · about 40 minutes

Coughs, sneezes and talk throw droplets. TB, measles, influenza and COVID-19 ride that route, so ventilation and covering coughs matter.

Sign in to read this lesson

Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

  • 7 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
Sign in Create an account