8. a text book has a mass of 22 lbs, the book is 8 inches by 15 inches by 11.77 inches. what is
the density of the textbook using the values given?
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Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.