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Lesson 4: Explosives

Explosive materials are substances that have a large amount of chemical potential energy, which can produce an explosion of light, heat, sound, and pressure if released suddenly. Are you ready to see the results of an explosion?

Doing the science

  1. Select the Simulation tab to open the Agent Impact simulation.
  2. Select "Low" for the population density.
  3. Select "Explosive" for the type of agent.
  4. Select "Min Impact" for the impact.
  5. Click "Start" to begin the simulation of the explosives.
  6. After the effects of the agent have worn off, record the casualties in Table 1 below for low population density and in Table 2 for high population density.
  7. Repeat steps 2–6 except with "Max Impact" for the impact instead of "Min Impact" in step 4.
  8. Select "High" for the population density.
  9. Repeat steps 3–7 for the high population of explosives.

Table 1. Low Population Density

Hospital

Clinics

Drug Stores

Morgue

Minimum Impact

Maximum Impact

Table 2. High Population Density

Hospital

Clinics

Drug Stores

Morgue

Minimum Impact

Maximum Impact

Do You Understand?

  1. Why do the casualties from explosions only take a couple of hours to count?


  2. Which agent of attack (radiological, biological, chemical, or explosive) is the most deadly? Why?