Heat and its effects

1. The temperature scale that has lower fixed point 0 degree celsius and the upper fixed point at 100 degree celsius is called

• Kelvin scale

• Celsius scale

• Absolute scale

• Fahrenheit scale

In which of the following modes of heat transfer, do the molecules travel from the hotter part of the body to the colder part?

• Conduction

• Convection

• Radiation

• All of the three

Ventilation in rooms is due to

• Conduction

• Convection

• Radiation

• All of the three

what is the meaning of conduction

• when heat transfers from objects that are not touching
• heat rise 
• cold fall
• when heat transfers from objects that are touching

what kind of heat is happening when the sun heats your body

• conduction
• convection
• density
• radiation

heat energy traveling through space is an example of _____

• convection
• density
• radiation
• conduction

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

The man goes to take the hot pot off the stove with his bare hands.

• conduction
• convection
• radiation

Warm air rises and the cool air sinks.

• conduction
• convection
• radiation

What is the transfer of heat by movement of liquids or gases?

• conduction
• convection
• radiation