What caused the nuclear accident at Chernobyl (Ukraine)?
During a capacity test happened an overload of energy, the cooling system stopped working, the heat caused an explosion in the reactor and fire.
What are some of the major radioactive accidents in history, besides Chernobyl (Ukraine)? (List 2 at least)
Fukushima (Japan), Three Mile Island (USA), Goiânia accident (Brazil), Windscale (England) and Kyshtym (Russia).
In what year did the Chernobyl (Ukraine) disaster happen?
1986.
What are the consequences of exposing yourself to radiation? (List at least 2)
Skin burns, genetic mutations, cell destruction or cell fragmentation.
How long should radioactive waste remain confined?
50 to 300 years.
Where was Brazil's biggest radioactive accident?
Goiânia.
How long does it take to radiation from a nuclear accident disappear completely? (Chernobyl and Goiania)
It depends on the level of the accident. (In Chernobyl it varies from 3,000 to 20,000 years and in Goiânia it was 30 years.)
True or False? People can die as a result of radioactive accidents.
True.
What is the main problem with nuclear power plants?
The contamination by the residues and wastes of nuclear energy production, which remain harmful to the environment for thousands of years.
How does the radiation scale work in nuclear accidents?
The scale is from 0 to 7, classified in: deviations=O (without major safety risks) incidents = 1 to 3 accidents = 4 to 7.
What can Chernobyl radiation cause in animals living around the nuclear power plant?
Mutations, diseases, morbidity and mortality.
What causes can radioactive accidents be caused by?
They can be caused by technical or human failures, and are characterized by the release of radioactive products into the environment.
True or False? Is it possible to have cancer because of radiation exposure?
True.
What are the scale levels of the accidents in Chernobyl (Ukraine) and in Goiania (Brazil)?
Chernobyl is a level 7 and Goiania is a level 5.
What radioactive element caused the tragedy in Goiania (Brazil)??
Cesium-137 (Cs-137).
Can radiation exposure change the human hair?
Yes. It can cause hair loss and changes in hair color, such as a loss of pigmentation or graying.
