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Direct linkPasachoff, Jay M.; Mativi, Jason W. – Physics Teacher, 2020
To span the great distance from the solar system to the farthest clusters of galaxies in the universe, astronomers break down the distance indicators into steps. The nearest ones are measured geometrically, with what is known as parallax. Among the objects whose distances are thus directly measured are a rare type of star known as a Cepheid…
Descriptors: Science Instruction, Astronomy, Measurement Techniques, Science Laboratories
Villarreal, Mónica E.; Esteley, Cristina B.; Smith, Silvina – ZDM: The International Journal on Mathematics Education, 2018
This paper presents issues related to the use of technology by secondary school pre-service mathematics teachers engaged in open mathematical modelling projects. Pre-service teachers developed these projects within a regular mathematics education course during the teacher education program at the university concerned. This environment, called a…
Descriptors: Preservice Teacher Education, Preservice Teachers, Secondary School Teachers, Mathematics Teachers
