A video showing the electrolysis of molten sodium hydroxide to produce oxygen gas, hydrogen gas and liquid sodium. You then see the person in the video proving the molten metal is sodium by placing it into water and watching the subsequent reaction.
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BasicStudents matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient)Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
AdvancedStudents matched to this level are ready for material that requires superior performance and mastery.