The pendulum in a clock gradually slows down and stops moving after a while student states that it’s loss of mechanical energy is evidence that energy is not always conserved which two statements offers evidence that the clocks energy is conserved.

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.