2. ABOUT ENERGY
•Energy can neither be
generatde nor
destroyed.it can only be
converted one form to
other.
•For example.in a room
heater,electrical energy is
3. WHY TO CONSERVE
ENERGY
We have limited fuels
available on Earth
Our demand for energy is
increasing day-by-day.
It is possible some
day,most of fuels will be
exhausted,and we will and
4. HOW WE CAN CONSERVE
ENERGY
conserving energy means
decreasing the amount of energy
used while achieving similar outcome
of end use. Using less energy has lots
of benefits you can save money and
help the enviroment.
using less energy help us to
preserve these resources and make
them last longer in future.
5. IN SCHOOL
o always switch off lights
and fans while going out
of the class.
o In computer lab, we
should switch off the
computers before going
out of the class.
6. AT HOME
we should not keep light and
fan unnecessarily switched on.
watching interesting
programs on TV is interesting
,but afterwards ,tv should be
swittched . off.
7. IN PUBLIC
AREAS stree light consume a lot of
energy,we can use the streetlights
according to sunset and sunrise to
save power.
installing solar powered street
light is another major option
available to save electricity.
10. Solar energy
• Solar energy can be converted into
electrical energy by using solarpanel,or
alternatively,be used as thermal energy
using solar water heaters,solar cookers etc.
11. WIND
ENERGYo India is world ‘s third largest
producer of electricity generation
using power by wind mills in indian
ocean and many other places.
12. HYDRO
ENERGY Using dams,water is
allowed to pass through
turbine blades,which
produces electricity. In
India,after coal, most of
