Energy is defined as the ability to do work. There are many forms of energy including food, light, heat, motion from activities like running or a prayer wheel rotating. Energy is measured in joules or calories and is required for activities of daily living, powering machines, transportation, heating and providing light. Without energy, many essential functions of modern life would not be possible.

1. Yangchen Lhamo
IV PCE
06180276
Paro College of
Education.

2. DO YOU LOVE LISTENING TO A STORY?

8. What is Energy?

9. By the end of this lesson, you will be able
to:
tell the meaning of energy.
write down the importance of energy.
explain what energy does to us.

10. Energy is defined as the ability to do work.

11. Energy can be found in number of forms:
FOOD
PLAY
WORK

12. LIGHT: It is a type of energy
we use all the time. Through
outside all day long we get
light from the sun. Plants
can turn sunlight into useful
energy which makes them
grow food. Food gives
energy to animals and
humans so they can live.
Almost anything that move
can be used to make energy.

13. Heat
Light

14. What energy does?
Prayer wheel
rotating.
Moving prayer
flag.
Steaming soup.
Dog running.
Burning fire.
Lightning.
Airplane Flying.

15.  The energy is measured in joules.
 The symbol used is J.
Eg: To lift an apple upward by
one meter requires about one
joule(J) of energy.
 The energy in food is
measured in calories.
 The symbol used is cal..
Eg: A coconut has
1400 calories (cal).

16. DO YOU THINK WE NEED TO SAVE ENERGY?
There would
be no light to
turn on
when it gets
dark.
There would
be no heat to
warm up
when it is
cold.
We cant
work, play,
run, jump
and eat.
We wont be
able to go to
the school.
We will
always feel
sleepy and
restless.

17.  Energy is used all around us every day. Energy is
used by people to move, talk and play. Energy is used
by cars, radios, toys, fires and musical instruments.
There are many ways to use energy.
SUMMARY.
 There are many ways to get energy. It comes from
the sun, the food we eat, it comes from gas and
from electricity etc.

18. 1. What is energy?
2. Where do we get
energy from?
5. What will
happen if there is
no energy?
4. How do we
measure energy?
3. What does energy
do?
Home Work.