ravity
ys in orbit.
ta
s
Overcome G
n
o
ti
ta
S
e
c
l how the Spa
e
d
o
m
n
a
c
u
Yo
d:
You will nee
string
• a piece of
ll
• a tennis ba
What to do:
somewhere
—
e
id
ts
u
o
o
1. G
ts of room.
lo
’s
re
e
th
re
whe
tennis ball.
e
th
to
g
in
tr
your head.
e
v
2. Tie the s
o
b
a
le
c
ir
c
nnis ball in a
3. Whirl the te
d:
in
Show a frien
eriment. Expla
p
x
e
is
th
o
d
watch you
t in orbit and
c
Have a friend
je
b
o
n
a
ts
n
is ball represe
string go.
e
th
that the tenn
t
le
n
e
h
T
sents gravity.
t
re
p
re
g
in
tr
s
u in a straigh
o
the
y
m
o
fr
y
a
w
ll will fly off a
The tennis ba
hout gravity.
it
w
n
e
p
p
a
h
hat would
line. This is w
string go!
e
th
t
le
Safety tip:
u
o
y
n
e
is nearby wh
e
n
o
o
n
re
u
s
Make
8