If you stay out too long at the beach you may get a sunburn as a result of too much heat being transferred to your skin. What mode of heat transfer is responsible for this?Group of answer choicesconductionconvectionradiationnone of the above

Why do your feet burn when you walk across beach sand on a sunny summer day?A.Heat is transferred by radiation warming.B.Heat is transferred by thermal conduction.C.Heat is transferred by frictional heating.D.Heat is transferred by convection heating.SUBMITarrow_backPREVIOUS

Which heat induced condition is caused when the skin is wetted by unevaporated sweat? Group of answer choicesHeat ExhaustionHeat StrokeHeat CrampsHeat Rashes

You are about to step on a sharp tack, ouch!! As the tack pierces the skin this causes a noxious stimulus. The type of receptor that detects this is a . In the epidermis the become active in order to fight any invading that have entered through the skin. As the tack passes into skin it lands in a layer of skin composed of collagen and elastic fibers, known as the . As you happen to be outside on a hot day, fortunately your skin has a substance which can absorb UV radiation known as . Another action of UV radiation on the skin is the formation of a precursor molecule that is acted on by the liver and kidneys to form .

Outline the three different types of UV radiation and clarify why UVC radiation from the Sun does not damage our skin.

Select the correct answer from each drop-down menu.Brad is swimming in the ocean on a hot sunny day. He finds the water to be much colder than the sand on the beach, even though the Sun is warming them both. Identify the reasons for Brad’s observation.The water is colder than the sand because it requires more to change temperature. This is because the water has a higher than the sand.