animals do more than eat and drink...plaque is kind of like a net that helps the bacteria catch and...
TRANSCRIPT
Animals Do More Than Eat and Drink
teri
a. M
ore
bact
eria
pro
duce
mor
e EA
T AND D
RINK
acid
. Mor
e ac
id o
n yo
ur t
eeth
can
enou
gh t
ime.
Whe
n yo
u ea
t su
gary
ANIM
ALS
DO
food
s, t
he b
acte
ria
mak
e a
lot
mor
e ac
id. T
hey
also
mak
e a
lot
mor
e ba
c-M
ORE
THAN
Aft
er t
he b
acte
ria
eat,
the
y pr
o-
duce
aci
d. T
he p
laqu
e ho
lds
the
acid
agai
nst
the
surf
ace
of y
our
teet
h.
The
acid
can
mak
e ho
les
in y
our
teet
h if
it is
hel
d th
ere
for
a lo
ng
Now
, do
you
kno
w wh
y it is
impo
r-ta
nt f
or y
ou t
o br
ush
your
tee
th
and
eat
health
y, n
ot s
ugar
y,
food
s?
28
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caus
e m
ore
deca
y.
Master 4.1a
2
do to survive?very, very sm
all. What do all anim
alsand som
e animals are very, very,
Earth. Some anim
als are very large,A
nimals live alm
ost everywhere on
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27
Master 4.1b
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The
bact
eria
live
tog
ethe
r, in
grou
ps c
alle
d co
lonies
, all
arou
nd
your
tee
th a
nd g
ums.
The
y m
ake
All
anim
als
eat
som
e ki
nd o
f fo
od,
som
e gl
uey
stuf
f th
at h
olds
the
m
and
all a
nim
als
take
in w
ater
. Do
you
onto
you
r te
eth
and
help
s th
em t
rap
know
wha
t el
se a
nim
als
do?
List
en
very
sm
all p
iece
s of
foo
d yo
u ea
t.
to t
his
stor
y an
d fi
nd o
ut.
Hav
e yo
u ev
er n
otic
ed t
hat
you
can
scra
pe s
ome
whit
e st
uff
off
your
teet
h wh
en y
ou w
ake
up in
the
mor
ning
or
befo
re y
ou g
o to
bed
at
nigh
t? T
hat
stuf
f is
cal
led
plaq
ue.
That
’s wh
ere
the
bact
eria
live
.Pl
aque
is k
ind
of li
ke a
net
tha
the
lps
the
bact
eria
cat
ch a
nd h
old
on
to f
ood
for
them
to
eat.
26
3
Master 4.1c
When you eat and drink som
ething, the bacteria that live on and around
Polar bears live in the icy, northern your teeth and gum
s eat tiny bits of part of the world.
the food that is in your mouth. They
They eat meat like fish and seals.
even have ways to save some of the
They make baby polar bears.
food to come back and snack on
All polar bears poop.
later!
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in your teeth.produce acid that can cause cavitieshealthy, but som
e of the bacteriaSom
e of the bacteria help you stay
25
Master 4.1d
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Wha
t ha
ppen
s to
the
aci
d th
e
bact
eria
pro
duce
?
If t
he a
cid
stay
s on
you
r te
eth,
it
can
mak
e ho
les
in y
our
teet
h. H
ere
is h
ow it
wor
ks.
Sinc
e th
e da
y yo
u we
re b
orn,
di
ffer
ent
kind
s of
bac
teri
a ha
ve
lived
in y
our
mou
th—
and
in e
very
pers
on’s
mou
th. T
he b
acte
ria
are
very
, ver
y, v
ery,
ver
y ti
ny. Y
ou
cann
ot s
ee t
hem
wit
h yo
ur e
yes.
24
Master 4.1e
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6 23
Master 4.1f
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So le
t’s r
evie
w.
Gerb
ils li
ve in
bur
rows
in h
igh
dese
rts
and
prai
ries
. Ba
cter
ia li
ve in
you
r m
outh
. Th
ey e
at s
eeds
and
par
ts o
f pl
ants
. So
me
of t
hem
eat
wha
t yo
u ea
t.
They
mak
e ba
by g
erbi
ls.
They
mak
e ot
her
bact
eria
. A
ll ge
rbils
poo
p.
Som
e ba
cter
ia p
rodu
ce a
cid.
In
you
r M
OU
TH?
Yes,
bac
teri
a pr
oduc
e ac
id in
you
r m
outh
.
22
7
Master 4.1g
Guppies live in ponds. W
ell, other animals, like polar bears,
They eat mosquito larvae and other
gerbils, guppies, and earthworms,
tiny bugs. poop. But, what is poop, really? W
hat They m
ake baby guppies. we call “poop” is a waste product. A
ll A
ll guppies poop. anim
als produce some kind of waste
8
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bacteria’s waste product, or its poop.duce an acid. The acid is the eat. A
fter they eat, bacteria pro-use all the parts of the foods theyproduct because their bodies cannot
21
Master 4.1h
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So, b
acte
ria
live
in y
our
mou
th.
Som
e of
the
m e
at w
hat
you
eat.
They
mak
e ot
her
bact
eria
.
Do
the
bact
eria p
oop?
In y
our
MOUTH
?
20
Master 4.1i
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they get sweet things to eat.They m
ake even more bacteria when
These bacteria do make other bacteria.
19
Master 4.1j
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Bact
eria
live
in y
our
mou
th.
Eart
hwor
ms
live
in t
he s
oil.
Som
e of
the
m e
at w
hat
you
eat.
Th
ey e
at d
ecay
ing
stuf
f in
the
dir
t.
They
mak
e ba
by e
arth
worm
s.
All
eart
hwor
ms
poop
.
Do
they
mak
e ot
her
bact
eria?
18
11
Master 4.1k
mouth?
Are you sure?
12
What are bacteria doing in m
yM
OUTH
?I have bacteria living in m
yW
ait a minute!
Bacteria live in your mouth.
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Master 4.1l
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Som
e ba
cter
ia e
at w
hat
you
eat.
They
eat
pea
nut
butt
er a
nd j
elly
sa
ndwi
ches
,
Just
like
mos
t ki
ds, t
he b
acte
ria
in
your
mou
th a
re r
eally
goo
d at
eat
ing
cand
y!
But,
do
you
know
wha
t th
ey a
re
real
ly g
ood
at e
atin
g?
mac
aron
i and
che
ese,
and
16
pizz
a.
Master 4.1m
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Some bacteria live where it is
Some of those bacteria
live in your mouth.
dark
and warm
and wet. W
hat do you think they eat?
15
Master 4.1n