Asked by Anonymous

Why did the reactors at the Fukushima plant overheat?

Answered by Anonymous
Without injections of coolant, water temperatures and water pressure started rising inside the reactors. There were fires and explosions. The intense heat started boiling away the coolant in the reactor core.

Still after reading some information, Im still have difficulty understanding.
Answered by Ms. Sue
Nuclear reactors need to be cooled down.

"the earthquake and tsunami knocked out the site's main electrical power supply and backup generators, making it hard to cool the nuclear fuel rods in the reactors and the cooling ponds nearby."

http://news.cnet.com/8301-30685_3-20043686-264.html
Answered by Anonymous
Oh that's from the article, that's how the problem came about? They heated because of the earthquake and tsunami?
Answered by Ms. Sue
They overheated because the nuclear plants lost power -- no electricity!

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