Learning about atoms, molecules, and chemical bonds: A case study of multiple-model use in grade 11... AGH And,DF Treagust - 《Science Education》 被引量: 439发表: 2000年 Learning about Atoms, Molecules, and Chemical Bonds: A Case Study of Multiple-Model Use F.(2000). Learning about ...
Atoms and the Periodic Table What is an Atom? Atom Building blocks of all matter Made of Protons, Neutrons, and Electrons Protons - Positively charged particles located in the nucleus Neutrons - Neutral particles located in the Nucleus Nucleus - The center of the atom where all the atomic mass...
Analogical models and science knowledge; Student intellectual development; Mental model of an atom.HarrisonAllan G.TreagustDavid F.Science EducationHarrison, A. G., and Treagust, D. F. (2000). Learning about atoms, molecules and chemical bonds: A case study of multiple-model use in grade 11...
Molecules and Molecular Compounds Molecule – a neutral group of atoms joined together by a covalent bond. Diatomic molecule – a molecule consisting 2 of the same element. Example: O2 Molecular compound – a compound composed of molecules. (covalently bonded atoms). The Diatomic Elements The elem...
A.The[]increasesB.The[]decreasesC.The[]staysthesamewhere[]is1.Distancebetween2.Speed3.Number4.Size5.MassProject2061:StudentAssessment2%correctvs.grade The%of“notsure”responsesishigherfor6thgrade. Approximately50%of6thgradestudentswerenotfamiliarwithatoms. Studentweretaughtatomsandmoleculesin7thgrade.0...
F. Learning about atoms, molecules and chemical bonds: a case study of multiple-model use in grade 11 Chemistry. Science Education, Pennsylvania, v. 84, p. 352-381, 2000.Harrison, A. G. , & Treagust, D. F. ( 2000 ). Learning about atoms, molecules, and chemical bonds: A c...
(1992) Grade 12 students' misconceptions relating to fundamental characteristics of atoms and molecules, Journal of Research in Science Teaching, 29, 611-628.Griffiths, A.K., & Preston, K.R. (1992). Grade-12 students' misconceptions relatingto fundamental characteristics of atoms and molecules. ...
The number of Protons are what make each element unique!! example: only oxygen has 8 protons and all oxygen's have 8 Example: only Boron has 5 protons and all boron's have 5 B 5 10.81 Anatomy of the Box… Boron Atomic Number Symbol Atomic Mass Element Name Atomic Mass B Boron ...
Atoms The building blocks of Matter Consists of Protons (+), Electrons (-), and Neutrons (N). Elements Consists of only one kind of atom, Cannot be broken down into a simpler type of matter by either physical or chemical means Can exist as either atoms or molecules. Flocabulary ...
EVERYTHING IS ATOMS The whole world, and everything in it, including you, is built of atoms. ATOMS Getting Organised… TODAY’S BIG QUESTION! TODAY’S BIG QUESTION! ARE ALL ATOMS THE SAME? Atomic Structure Are atoms all the same?