Demonstre em aula: gotas que inflamam uma abordagem construtivista
2005
This paper suggests a very simple set-up that allows an amazing demonstration
in Physics high-school classes: the phenomena of liquid oxygen condensation on a surface refrigerated with liquid nitrogen. The
demonstration involves an unusual effect and its purpose is to serve as
an inducing element for constructivist learning allowing the students to
analyze it, discuss it, formulate hypothesis and finally to achieve a correct
explanation for the observed phenomena.
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