Desastre De Chernobyl (Metodo Cientifico)

Páginas: 3 (564 palabras) Publicado: 19 de febrero de 2013
Objective:
• Determine the use of the ecology of science.
• Identify the diverse disciplines that support ecology.
• Explain the scientific method steps.
• Identify the meaningand importance of environment.
• Identify biotic and abiotic factors and know how they have an influence on the environment.
Procedure:
Instructions:
1. Find news related to an environmentalevent that had created an impact in the world.
2. Identify the steps of the scientific method in this event.
3. Do some research on the most important Charles Darwin’s works.
4. Find anexample of the different disciplines of ecology.
Answers:
1 & 2: “The Chernobyl disaster and its effects on the environment”
Characterization – This disaster was a catastrophic nuclear accident thatoccurred on 26 April 1986 which released large quantities of radioactive particles into the atmosphere which spread all over the USSR & Europe.

Hypotheses – On 26 April 1986, reactor four of thenuclear plant suffered a catastrophic power increase leading to explosion in its core which dispersed large quantities of radioactive fuel and core materials into the atmosphere.

Predictions – Thedisaster began during a systems test on 26 April at reactor number four of the plant, there was a sudden and unexpected power surge, and when an emergency shutdown was attempted, an exponentiallylarger spike in power output occurred which led to a reactor vessel rupture and a series of steam explosion, these events exposed the graphite moderator of the reactor to air causing it to ignite.Experiments - The experimental procedure was intended to run as follows:

1. The reactor was to be running at a low power level, between 700 MW and 800 MW.
2. The steam-turbine generator was to berun up to full speed.
3. When these conditions were achieved, the steam supply for the turbine generator was to be closed off.
4. Turbine generator performance was to be recorded to...
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