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How to boil a frog - Contenido educativo

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Subido el 31 de octubre de 2020 por Andrea S.

7 visualizaciones

Más información Transcripción

A frog is a cold-blooded animal, and humans are warm-blooded, so our body burns energy 00:00:00
or perspires to maintain the same 98.6 degrees. 00:00:07
The cold-blooded frog's body temperature goes up and down with the temperature of its surroundings. 00:00:12
Although frogs love water, when I hold it over this pot of boiling water, this frog 00:00:19
is very uncomfortable and climbs to get away from it. 00:00:24
The water in this pot is room temperature, 69.4 degrees, so he's comfortable when I put 00:00:29
him in. 00:00:35
If I turn the burner on low flame, his body temperature will adjust and slowly he will 00:00:38
heat up with the water. 00:00:44
The water temperature has risen to 80 degrees and the frog is the same temperature and still 00:00:48
comfortable. 00:00:53
If I turn up the burner slowly again, he won't notice because he'll continue to change to 00:00:55
be the same as his surroundings. 00:01:00
When we started, I held the frog over the first pot of boiling water. 00:01:05
He was uncomfortable and he tried to get away from the heat. 00:01:09
But now, because we're raising the temperature slowly, he doesn't recognize the danger he's 00:01:14
in. 00:01:19
He just keeps going along with the changes in his surroundings. 00:01:20
Eventually, we can turn up the burner to a deadly boil. 00:01:24
He will just keep trying to adjust with it. 00:01:29
By the time he realizes it's killing him, it's too late. 00:01:34
He won't notice the time because he just keeps changing himself to go along with the changes 00:01:38
in his surroundings. 00:01:43
Subido por:
Andrea S.
Licencia:
Dominio público
Visualizaciones:
7
Fecha:
31 de octubre de 2020 - 19:25
Visibilidad:
Público
Centro:
EOI E.O.I. DE ALCORCON
Duración:
02′ 03″
Relación de aspecto:
4:3 Hasta 2009 fue el estándar utilizado en la televisión PAL; muchas pantallas de ordenador y televisores usan este estándar, erróneamente llamado cuadrado, cuando en la realidad es rectangular o wide.
Resolución:
320x240 píxeles
Tamaño:
4.86 MBytes

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