Flame Test, Running Backwards, and more. Maria believes her eyes are more sensitive to light than her ears are sensitive to sounds because she can see many different colors. In this episode, Mr. Wizard shows Eyes vs. Ears, Northern Lights, Egg Osmosis, Propeller Cart, Egg Osmosis Part 2, Flame Test, T-Puzzle, Running Backward, Finger Snap Identification, and Paper Cup Challenge.
