#4. Reducing Heat Transfer: Outcome B2

a.) Prevent moisture loss

b.) Keep cold from coming in

c.) Help generate energy and keep it inside the house

d.) Prevent heat energy transfer between the inside and outside of the house

a) a dry, white towel

b) a dry, black towel

c) a wet, white towel

d) a wet, black towel

a.) Clay brick (R - value = 0.11)

b.) Solid wood (R - value = 1.25)

c.) Wood shavings (R - value = 2.42)

d.) Rigid urethane foam (R - value = 7.50)

a.) 25mm of air space combined with 50mm of solid wood

b.) 50mm of wood shavings combined with 50mm of concrete

c.) 25mm of expanded polystyrene combined with 50mm of clay brick

d.) 50mm of solid wood combined with 25mm of fiberglass insulation

a.) The body produces heat during metabolism

b.) There is an increase in thermal energy transfer from the body to the environment

c.) There is a decrease in thermal energy transfer from the body to the environment

d.) The body loses heat when water in sweat evaporates

a.) the ground does not freeze under the snow

b.) snow is a poor insulator

c.) snow is a good insulator

d.) the ground has a high specific heat capacity

a.) 25mm of air space with a reflective surface on the inside of the wall cavity

b.) 50mm of expanded polystyrene

c.) 25mm of fiberglass

d.) 25mm of rigid urethane foam

a.) candle

b.) tin can

c.) sweater

d.) container of cold water

a.) neoprene with natural rubber mixed in

b.) neoprene with bubbles of oxygen trapped in the fabric

C. neoprene with bubbles of nitrogen trapped in the fabric

D. neoprene with bubbles of argon trapped in the fabric