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Download Image Add to Lightbox AJ-g10p_0171 MR / Schenectady, New York. Schenectady High School (urban, public high school). Grade 10 chemistry lab. One of a series of photographs taken during a chemistry lab on the titration of an acid and a base. Students work with: an acid (solution of hydrochloric acid), base (solution of sodium hydroxide), a buret (or burette, laboratory equipment used to dispense precise amounts of solutions), and an indicator (phenolphthalein solution) which is added to determine the equivalent point, or neutralization. In this image, the teacher prepares students for the experiment. ID: AJ-g10p. MR: Phi6. ©Ellen B. Senisi Filename: AJ-g10p_0171.jpg Source: Date: 22 May 2009 Location: Credit: Copyright: copyright Ellen B. Senisi Model Release: Yes Property Release: No Restrictions: Direct Link: Keywords: 10th grade 15 year old 16 year old age age 16 age fifteen age sixteen classroom communication education fifteen year old high school science sixteen year old staff talk talking teacher teaching teen teenaged teenager tenth grade work working woman

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