Emma Harrington, 6, gets help pouring a solution from Angelica Barnes, 15, of New York, under the watchful eye of, from back left, Sophie Collins, 6, Giuliana Dercole, 8, Jane Grace, 7, and Ainsley Hoffman, 8, during a Science Girls Rock class for students in The Children’s House summer daycamp on Tuesday in Traverse City. Barnes, who spends her summers in Traverse City and said she loves science and teaching, led a lesson on extracting DNA from a strawberry, and will lead one on magnetism on Thursday to present during the camp’s science week.

Science girls rock