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Balukovic, Jasmina; Slisko, Josip – European Journal of Physics Education, 2018
A recent textbook research, carried out on a sample of 20 American physics textbooks, shows that the authors mainly keep the old definition of weight. According to that definition, the weight of a body is the gravitational force on the body. In such a conceptual frame, the objects in the spaceship are "apparently weightless" because they…
Descriptors: Physics, Scientific Concepts, Science Instruction, Textbooks
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Slisko, Josip; Cruz, Adrian Corona – European Journal of Physics Education, 2013
There is a general agreement that critical thinking is an important element of 21st century skills. Although critical thinking is a very complex and controversial conception, many would accept that recognition and evaluation of assumptions is a basic critical-thinking process. When students use simple mathematical model to reason quantitatively…
Descriptors: Physics, Science Instruction, Statistical Analysis, Critical Thinking