LSCPHYS1: HEAT TRANSFER Assignment

dExercise 6(a)

1. What is meant by convection current?
2. Briefly describe an experiment to show:
   1. convection in liquids
   2. convection in gases

Exercise 6(b)

1. Give the difference between:
   1. convection and
   2. conduction and
2. Briefly describe the following observations:
   1. Ovens are black
   2. Solar panels are matt
   3. Fridges are usually painted

Exercise

1. What is the difference between heat and temperature?
2. Explain how heat from a fireplace reaches a person sitting
3. Which heat transfer method is applied in ventilation? Explain how ventilation
4. How do human activities result in global warming?