National Geographic Kids USA - March 2017

(Marvins-Underground-K-12) #1

NOW SHOWING!


natgeokids.com/march

SOUND


PLAYLIST


MECHANIK / SHUTTERSTOCK (17); GIANPIERO FERRARI / FLPA / MINDEN PICTURES (18); SYLVAIN CORDIER / BIOSPHOTO (19); EYEWAVE /DREAMSTIME (20); KEN COLE / DREAMSTIME (22); ARTRAM / SHUTTERSTOCK (SOUND WAVE); ESB PROFESSIONAL / SHUTTERSTOCK (24);
BRENDA KEAN / ALAMY (25); C&S DORSE / BIODIVERSITY FOCUSED (27); ISTOCK / GETTY IMAGES PLUS (29); THOMAS HEATON (30) NATIONAL GEOGRAPHIC KIDS 23

(^1718)
21
23
26
24
22
28
30
19
27
20
29
0
25
The
desert rain
frog’scroak
soundslike
a squeaky toy.
Made with steel
pipes,a sculpture in
Lancashire,England,
called the Singing
Ringing Tree hums
when wind blows
through its tubes.
IN ONE CHAMBER IN THE U.S.
CAPITOL,WHISPERS SPOKEN IN
CERTAIN SPOTS CAN BE CLEARLY
HEARD SEVERAL FEET AWAY.
Elephant seals hear
better underwater
than on land.
Known as the world’s quietest
place, a room in one Minnesota
lab has walls that absorb
99. 9
percent
of sound.
Scientists are
studying whether
METEORS make
CRACKLING
SOUNDS
AS THEY MOVE.
RESIDENTS OF
LA GOMERA, AN ISLAND
OFF NORTHWEST AFRICA,
SOMETIMES COMMUNICATE
WITH A LANGUAGE MADE UP
ENTIRELY OF WHISTLES.
SCIENTISTS
HAVE RECORDED
STRANGE
HISSING SOUNDS
22 MILES
ABOVE EARTH’S
SURFACE.
SOUND TRAVELS MORE
QUICKLY THROUGH WARM
AIR THAN COLD AIR.
The chirp of
Australia’s
greengrocer
cicada is louder
than a hand drill.
The buzz of
Kylo Ren’s
lightsaber in
Star Wars:
The Force Awakens
was partly inspired
by the sound of
a chainsaw.
HUMANS
USE OVER A
HUNDRED
MUSCLES
TO SPEAK
JUST ONE
PHRASE.
d
.
In the 18th
century, firefighters gave
orders over brass “speaking trumpets,”
an early version of the
megaphone.
T
aWL
DETECTED FROM SPACE.
The MOVEMENT OF WATER in the
CARIBBEAN SEA makes a WHISTLING NOISE
that can be DETECTED FROM SPACE.

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