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.

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



Answer Key for Biological Rhythms: the sleep-waking cycle

X
Y
1234567891011121314151617181920
1# # # P E E L S L E E P Y # # # # # # #
2# # # # # N # I U Z # # # # # # # # # #
3# # # E C # # F # M E N S T R U A L # #
4# # # S R # # F # # A I # # # # # # # #
5# # # C U U # R # # L L T # # # # # S #
6# # # H L P T E # # # A A G # # # # R #
7# # # O T I R A E # # # C H E # # # E #
8# # # C R N # A R V # # # I T B # # T #
9# # # H A E # R C E I # # # G O E # S #
10# # # A D A # C I H P F # # # O P R M #
11S # M T I L # T R # I M Y # # # L Y A #
12U # E # A # # I C # # A E T # # # O H #
13O # L # N # # C A V E # S T N # # # I #
14N # A # # # # C N O I S E M # E # # # B
15E # T # # # # I N F R A D I A N W # # #
16G # O # # # # R U # # # # # # T # T # #
17O # N # # # # C A # # # # # # # I # # #
18X # I T H G I L L N A I D A C R I C # #
19E # N # # E Y E N D O G E N O U S # # #
20# # # # # # # # # # # # # # # # # # # #
Word X Y Direction
ARCTICCIRCLE  88s
BIOLOGICAL  1913nw
CAVE  813e
CIRCADIAN  1818w
CIRCANNUAL  99s
ENDOGENOUS  819e
EXOGENOUS  119n
EYE  819w
HAMSTERS  1912n
HYPOTHALAMUS  1912nw
INFRADIAN  815e
LIGHT  818w
MELATONIN  311s
MENSTRUAL  103e
NOISE  914e
PINEAL  66s
SCHOCHAT  44s
SCHOCHAT  44s
SCN  44ne
SIFFRE  81s
SLEEP  81w
SLEEPY  81e
SUPRACHIASMATIC  1111se
TEMPERATURE  1413nw
TWENTYFIVE  1816nw
ULTRADIAN  55s
ZEITGEBER  113se