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PETER FENSHAM Foreword. - HANNAH SEVIAN AND MARILYNE STAINS Implicit assumptions and progress variables in a learning progression about structure and motion of matter. - CANAN NAKIBOLU AND KEITH S. TABER The atom as a tiny solar system: Turkish high school students' understanding of the atom in relation to a common teaching analogy.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.