We are most accustomed to making observations directly with our eyes. Students therefore often find it conceptually challenging to comprehend the reasoning and logic used by scientists studying atoms that they cannot directly see. This activity allows the students to practice making logical inferences in an experiment with very similar principles to that of RutherfordÕs famous gold foil experiment.
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Categories: Lab/Student Activity
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Categories: Lab/Student Activity
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Categories: Lab/Student Activity, Teacher Demonstration
In this activity, student mix a given quantity of salt with a fixed volume of water. Mass and volume measurements are made before and after mixing to determine if these quantities change. Students... read more