It is the type of heat transfer through bumping of molecules with each other.
a. conduction b. convection c. radiation d. none of these

Which of the following statement is not true?
a. heavy air is heavier than warm air
b. Radiation is heat transfer in an empty space
c. Bon fire is an example of conduction
d. The earh receives heat coming from the sun through a process called radiation

Which of the following is/are examples/s lf conduction?
1. Microwave oven
2. Sea Breeze
3. Pan over electric stove
4. Sun bathing
5. thermometerunder armpit
a. 1,4,5 b. 4,5 c. 3.5 d. 2,5


it is the loss of body fluid.
a. Hydration b. Dehydration c. perspiration d. fluid decrease

Which of the following is a good conductor of heat
a. Metal spoon b. Plastic c. Foam d. Clothe