2. TEMPERATURE AND HEAT
Flares, prominences, sunspots, and solar wind are not
limited to our Sun. Other stars also portray such
magnetic phenomena.
Photo by SOHO (ESA & NASA)
3. TEMPERATURE AND HEAT
Flares, prominences, sunspots,
and solar wind are not limited to our
Sun. Other stars also portray such
magnetic phenomena.
Photo by SOHO (ESA & NASA)
9. 6.1.2 The objective is to describe the process of
CONDUCTION
Transfer of heat
by the direct
contact of
particles of
matter
Examples: Gold,
Copper, Iron,
Aluminum
10. 6.1.2 The objective is to describe the process of
CONVECTION
Up and Down
movement of
liquid and gases
caused by heat
transfer.
Examples:,
warmer water,
Hot air balloon
11. 6.1.2 The objective is to describe the process of
RADIATION
Transfer of heat
by
Electromagnetic
waves
through space
Examples: Cell
Phone wave,
Sunlight, Nuclear
14. 6.1.4 The objective is to apply the concept and formula in solving problems
Question 1
How many joules of heat are required to raised the
temperature of 750 kg of zinc to raise its temperature from
25’C to 275’C? (specific heat capacity of zinc is 390 J / kg ‘C)
15. 6.1.4 The objective is to apply the concept and formula in solving problems
Question 2
150 g of water is at 140’C. How much heat must be removed to
lower the water to 75’C ?
(Specific heat capacity of water is 4.20 kJ / kg’C
16. 6.1.4 The objective is to apply the concept and formula in solving problems
Question 3
A 0.23 kg sample of Aluminum is provided with 4500 joules of
heat energy. What will be the change in temperature of this
sample?
17. CONCLUSION
* TEMPERATURE is a Physical Quantity that measure DEGREE OF
HOTNESS of a body. SI Unit = KELVIN (K)
* HEAT is ENERGY (Therma) that FLOWS naturally from HOT
body to COLD body. SI Unit = JOULE (J)
•HEAT TRANSFER methode is refer to
CONDUCTION, CONVECTION & RADIATION
•HEAT CAPACITY formula is
Q = mc Δϴ
18. NEXT TOPIC ?
THERMAL EQUILIBRIUM
PAGE 66 – MODUL BB101 ENGINEERING SCIENCE
third edition
19. REFERENCES:
MODUL BB101 ENGINEERING SCIENCE
Third Edition
Internet – tagging for:
Temperature, Heat, Sun Phenomena, Volcano,
Iceberg, conduction, convection, radiation, heat
capacity, specific heat capacity,
20. THE END thank you
6.0 TEMPERATURE AND HEAT
BY: MOHD ZAMRI HAMID