12) You attend a football game one day and notice a long time difference between when the other side of the stadium stands up to cheer and when you hear them. This time difference would be lessened if A) it were warmer. B) it were less humid. C) it were located at a higher altitude. D) the fans on the opposite side shouted louder. 13) Which is an example of electrical energy being converted or changed into light energy? A) the sun B) a light bulb C) a solar panel D) a glowstick at Halloween 14) The process that keeps heat from being transferred between two substances is A) conduction. B) convection. C) insulation. D) radiation.