Question

circle the type of heat transfer that is responsible for each of the scenarios below: 2) a house’s attic is always warmer than its basement. conduction convection radiation 3) the sun’s energy reaches earth from millions of miles away. conduction convection radiation 4) your computer leaves the desk feeling very hot after you’ve been using it for awhile. conduction convection radiation 5) the ocean circulates around the earth 6) a very dense metal rod and a wooden stick are both placed on a heated surface. the metal rod feels much hotter much faster than the wooden stick. conduction convection radiation

Explanation:

Question 2:

Heat transfer in a house's attic being warmer than the basement is due to convection. Warm air (less dense) rises to the attic, while cooler air (more dense) sinks to the basement. Conduction is direct contact heat transfer, and radiation is via electromagnetic waves (not the case here). So convection is responsible.

The sun's energy reaches Earth through radiation. Radiation is heat transfer via electromagnetic waves (like light), which can travel through empty space (the millions of miles of space between the sun and Earth). Conduction needs direct contact, and convection needs a fluid medium (neither exist in space for this transfer). So radiation is the method.

When the computer heats the desk, it's conduction. Conduction is heat transfer through direct contact (the computer and desk are in contact). Convection is fluid movement, and radiation is electromagnetic waves (not the primary here as it's direct contact heating). So conduction is responsible.

Answer:

CONVECTION

Question 3: