Students make a 2-D model of a salt crystal and use water …
Students make a 2-D model of a salt crystal and use water molecule cut-outs to show how water dissolves salt. After seeing an animation of water dissolving salt, students will compare how well water and alcohol dissolve salt. They will relate their observations to the structure of salt, water, and alcohol on the molecular level.
Students will see a demonstration of color change using a pH indicator, …
Students will see a demonstration of color change using a pH indicator, test acid and base concentrations in a hands-on experiment, view and animation and understand the relationship between pH and ion present in water.
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