The document describes several riddles and passages about rooftop gardens and green buildings. It explains that rooftop gardens help keep buildings cooler in summer and warmer in winter by blocking heat from the sun and retaining heat. It also discusses how green buildings conserve water by collecting rainwater from roofs in underground tanks to reuse for flushing toilets and irrigation.

1. What am I, and other
RIDDLES!!

2. 1) I have eight legs, but cannot
walk on the land. My home is
anywhere near the sand.
What am I?

3. 2) I can swim, but I’m not a fish.
In France, my legs are
considered a dish! A King or a
Prince, kiss me, make a wish!

4. 3) Alive without breath, as cold
as death. Silver skin never
clinking, never thirsty, always
drinking.

5. 4) There are 2 ducks in front of 2
other ducks. There are 2 ducks
behind 2 other ducks. There are 2
ducks beside 2 other ducks.
How many ducks are there?

6. 5) A very pretty thing am I,
fluttering in the pale-blue sky.
Delicate, fragile on the wing,
indeed I am a pretty thing.

7. 6) Name an animal that can
jump higher than a full grown
mango tree

9. Gardens in the
Sky.
Students at the
Calhoun School in
New York City have
much more than a roof
over their heads.

10. Gardens in the
Sky.
They have an entire
rooftop garden, with
thick grass and
colorful flowers.

11. Gardens in the
Sky.
This green roof blocks
more of the sun’s heat
than a regular roof, so
it keeps the building
cooler in summer.

12. Gardens in the
Sky.
In winter, the plants
and soil on the roof
help keep heat inside
the building from
escaping.

13. Gardens in the
Sky.
These rooftop gardens
are becoming more
and more popular, and
it’s not just roofs that
are going green.

14. Saving Every Last
Drop.
Only a small amount of all
the water on the Earth is
fit for drinking, and in
some places such as the
Middle East and Africa,
there isn’t enough fresh
water to meet demand.

15. Saving Every Last
Drop.
With this in mind, green
buildings use as little
fresh water as possible,
and they usually reuse
water as well.

16. Saving Every Last
Drop.
A new library in Santa
Monica, California, was
built with a special
drainage system to
collect rainwater from the
roof and store it in a
giant underground tank.

17. Saving Every Last
Drop. is
Later, the rainwater
used in toilets and for
watering the grass
around the building.

18. Comprehension Question
How are rooftop gardens used
in green buildings?
Rooftop Gardens are used
to keep the building cooler in
summer, and warmer in winter.

19. Vocabulary
Entire: Whole, or not
broken.
They have an entire
rooftop garden, with
thick grass and
colorful flowers. (p222)

20. Vocabulary
Rooftop: Top of the
roof.
They have an entire
rooftop garden, with
thick grass and
colorful flowers. (p222)

21. Vocabulary
Thick: Deep, heavy
mass.
They have an entire
rooftop garden, with
thick grass and
colorful flowers. (p222)

22. There are many kinds of “thick” things.
Which is the correct one for us?

23. Vocabulary
Block: To prevent or
stop.
The green roof blocks
more of the sun’s heat
than a regular roof.
(p222)

24. There are many kinds of “block”.
Which is the correct one for us?

25. Vocabulary
Escape: To become
free.
In winter, the plants
and soil on the roof
help keep heat inside
the building from

26. Vocabulary
Fit: Safe or Healthy.
Only a small amount of
water on the Earth is
fit for drinking. (p223)

27. There are many kinds of “fit”. Which is
the correct one for us?

32. Vocabulary
Drainage: To cause liquid
to go out from.
A new library in Santa
Monica, California, was
built with a special
drainage system... (p223)

33. 1) Converting sunlight
a) Solar cells on
into electricity to be
the roof.
used later.
2) Blocking the sun’s heat
in summer and retaining b) A special
heat in winter. drainage system
3) Turning the lights off
automatically when the last c) Light sensors
student walks out.
4) Collecting rainwater from
the roof and storing it d) A rooftop garden
underground.