Next, ask yourself if electricity is a form of energy. If it's energy, then electricity is not the movable charges. Instead, electricity is made of invisible electromagnetic fields, and it doesn't wiggle back and forth within the AC cables. Instead it can only exist in the space outside the wires, and not within the metal.
Cardinal Color: One of the first and most obvious qualities about the cardinal is his color. Cardinal red is so called because it is one of the three primary colors. The primary colors are red, blue and yellow. All other colors are a combination of these three basic colors. That the visual spectrum begins with red hints at the importance of the cardinal, beginning with his powerful visual presence.
1 Colors: Bold red, black, buff, tan. 2  Markings: Northern cardinals are dimorphic, with male birds a brilliant red color all over that may be slightly duller on the wings. 3  Males also have a black narrow facial mask around the eyes, bill and chin.abitat and Migration: Northern cardinals are common throughout the eastern United States from Maine to Florida and continuing west to southern Minnesota, Nebraska, Texas and the eastern half of Mexico. These birds prefer dense woodland cover but can easily be found in suburban areas.