Biological Rhythms: the sleep-waking cycle

ARCTICCIRCLE
BIOLOGICAL
CAVE
CIRCADIAN
CIRCANNUAL
ENDOGENOUS
EXOGENOUS
EYE
HAMSTERS
HYPOTHALAMUS
INFRADIAN
LIGHT
MELATONIN
MENSTRUAL
NOISE
PINEAL
SCHOCHAT
SCHOCHAT
SCN
SIFFRE
SLEEP
SLEEPY
SUPRACHIASMATIC
TEMPERATURE
TWENTYFIVE
ULTRADIAN
ZEITGEBER

See how much you remember about biological rhythms and the sleep-waking cycle with this wordsearch. Answer the questions first then look for the missing word in the grid below.

Try to find all 27 words on this board.

J U Y W Y P E E L S B T B N L H V G X Z
G U T Y R N V Y F U L U Z F T P A Q P J
R E B E G T I E Z M N E E D D N Q H X A
O Q W L B O F L L A A X E I W Q B C K A
Z S K A U A Y C A L I H R P Z J I I U A
Z M U G Q U T R U A D S F T S T O R I G
R T U U C T N I N H A D F Q A E L C D T
L L Q R J H E C N T R K I M N M O A D P
N P F C E A W C A O F M S D O P G D K D
N U M O I M T I C P N A O F I E I I F H
M G L T G S P T R Y I G M T S R C A F K
B Q J A L T D C I H E N W Z E A A N U O
N W Q H R E A R C N W S E Y V T L P T V
U S Z C W R W A O A K J P A D U I H U S
S K R O Z S R U G Y V I N C L R G Z G O
N N U H O P S S U O N E G O X E H I N K
K Z C C U L T R A D I A N D M O T D W C
P O N S C H O C H A T B U P Y T H R M K
Y Z P Z I T V U Z F G K X M M D W T G S
E N I N O T A L E M E N S T R U A L P F
Brought to you by WordSearchFun.com



Answer Key for Biological Rhythms: the sleep-waking cycle

X
Y
1234567891011121314151617181920
1# # # # Y P E E L S # # # # # # # # # #
2# # # # # # V Y # U L # # # # # # # # #
3R E B E G T I E Z M N E # # # # # # # #
4# # # # # # F L L A A # E # # # B C # #
5# # # # # # Y C A L I # R P # # I I # #
6# # # # # # T R U A D # F # # T O R # #
7# # # # # # N I N H A # F # A E L C # #
8# # # # # H E C N T R # I M N M O A # #
9# # # # # A W C A O F # S D O P G D # #
10# # # # # M T I C P N A O # I E I I # #
11# # # T # S # T R Y I G # # S R C A # #
12# # # A # T # C I H E N # # E A A N # #
13# # # H # E # R C N # # E # # T L # # #
14# # # C # R # A O A # # # A # U I # # #
15# # # O # S R U # # V # # # L R G # # #
16# N # H # P S S U O N E G O X E H # # #
17# # C C U L T R A D I A N # # # T # # #
18# # # S C H O C H A T # # # # # # # # #
19# # # # # # # # # # # # # # # # # # # #
20# N I N O T A L E M E N S T R U A L # #
Word X Y Direction
ARCTICCIRCLE  814n
BIOLOGICAL  175s
CAVE  913se
CIRCADIAN  184s
CIRCANNUAL  913n
ENDOGENOUS  167sw
EXOGENOUS  1616w
EYE  83n
HAMSTERS  68s
HYPOTHALAMUS  1012n
INFRADIAN  1111n
LIGHT  1713s
MELATONIN  1020w
MENSTRUAL  1020e
NOISE  158s
PINEAL  1010se
SCHOCHAT  418e
SCHOCHAT  418e
SCN  418nw
SIFFRE  139n
SLEEP  101se
SLEEPY  101w
SUPRACHIASMATIC  1111ne
TEMPERATURE  166s
TWENTYFIVE  710n
ULTRADIAN  517e
ZEITGEBER  83w