Which would be best categorized as heat transfer by convection?

question 6 options:

noodles rising and falling in a pot of boiling water

touching a metal spoon that is sitting in a pot of boiling water

using a heating blanket to get warm

wearing a white shirt to stay cool on a summer day.

Noodles rising and falling in a pot of boiling water is heat transfer through convection.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.