Energy (brief intro)

2. Law of conservation of
Energy

3. Energy FLOW AND ITS
IMPORTANCE

4. Sources of Energy
OA source of energy is that
which can provide
adequate useful energy at a
steady rate over a long
period of time.

5. Characteristics of a good
source of Energy
1. Large amount of work done per unit volume
or mass
2. Safe and convenient to use
3. Easy to transport
4. Easy to store
5. Cheap and easily available
6. Doesn’t cause environment pollution

6. Classification of Sources of
Energy
�Classification on the basis
recycling period:
�RENEWABLE SOURCES OF
ENERGY
�NON-RENEWABLE SOURCES OF
ENERGY

7. Renewable Sources of
ENERGY

8. Non-Renewable Sources of
ENERGY

9. Convectional Sources of
Energy

10. Fossil Fuels

13. HYDROPOWER
STATIONS

14. Advantages of
hydroelectricity
generation
O It doesn’t cause environmental pollution.
O It is a renewable sources of energy.
O It is the cheapest sources of energy.
O It is constructed to generate hydroelectricity
are multipurpose projects.

16. WIND ENERGY

17. Construction of a WIND
TURBINE GENERATOR

18. WIND ENERGY FARM

22. SOLAR ENERGY

27. BIOGAS

28. TIDAL ENERGY

31. NUCLEAR ENERGY

32. Nuclear Fission

33. Conservation Of Energy

34. Components Of Nuclear
Energy

37. Nuclear Fusion