Methods of Heat Transfer

What method of heat transfer requires direct contact between objects?

Which of the following materials will undergo convection?

• Liquid and gas
• Gas and solid
• Solid and liquid
• Gas only

How does the heat of the Sun reach the Earth?

The occurrence of breeze is a manifestation of what method of heat transfer?

You are holding a metal wire on one end, while the other end is placed over the flame. Very soon, the wire is too hot to handle. What method of heat transfer is taking place?

Heat transfer by Convection occurs ________________. Options:

only in gases

only in liquids

only in solids

in gases and liquids

When you touch a piece of ice with your finger, energy flows _______.

How does the heat travel through the pan when cooking a noodle soup?

How does the heat travel through the noodle soup?

In convection in gases, what happens with the cold air?