Yes, the noun 'porch' is a common noun, a general word for any porch of any kind. A proper noun is the name of a specific person, place, or thing; for example: Porch Street, Portland, ME Porch Light Productions (theater group), Glen Rock, NJ Back Porch Cafe, Watertown, TN "porch" is a regular noun
While there is no scientific research to back it up. MANY people have claimed great success at insect nest control by painting their porch ceiling blue. I'm painting mine Sky Blue, by Eddie Bauer, from Lowe's.
Blue light is of a higher energy than red light. That means that the fire with the blue light is hotter, as the fire must generally be hotter to generate the blue light. For example, in a gas flame, the blue, which is hottest, is in the middle, and any yellow, orange or red is around the outside.
It was found inside the porch light cover on the Netherfield's porch light. They found it and Danny mailed it to her mom. Luckily, Anna (Danny's Mother and Mrs. Roth's daughter) mails it back to Mrs. Roth.