Let's Reach Equilibrium
Students create a research project that demonstrates the process of osmosis. They show the role water plays in balancing the concentration of solutes through osmosis in a role play activity.
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Regents High School Examination: Living Environment 2003
The living environment, from the interior of a cell to the complex relationships among populations, are queried in this final examination. Learners look at air pollution maps, diagrams of cells, population graphs, and drawing of cells....
9th - 12th Science
pH, pOH of Strong Acids and Bases
What happens when a reaction is not in equilibrium? That is often the case when a strong acid or a strong base comes into play. Sal sets up an example of Hydrochloric acid being added to water. The reaction will only go in one direction,...
15 mins 7th - 10th Science
What Triggers a Chemical Reaction?
Chemical reactions are happening all around us every second of every day, but what exactly causes these changes to occur? Using easy-to-understand analogies, this video explains how the concepts of enthalpy and entropy determine the ways...
4 mins 9th - Higher Ed Science CCSS: Adaptable