mp3
player
ta pe
spoon
mil�
Start with this circuit.
Play song on mp3 player and gently
touch speaker cone.
Attach spoon to speaker with tape.
Pour milk into spoon, then
play some songs.
Turn up your volume and check
out the cool wave patterns!
pen
wave generator
PROJECT 1:
An introduction to speakers and mechanical waves.
TimE:
15 mins
diFFiCulTy:
power
wire
speaker
turn me on
use audio cable to
plug in mp3 player he re
d� a� spea� r
an d lay � cing up
can you feel
the
vibrati on s?
tr y a � st son g
an d slow son g. . .
wha t � ppen s
Be s�re to � ep your
modules d� !
be careful an d �se
remo�able ta pe
yO
u
’l
l
N
EEd
Describe how different music causes
different reactions in the liquid.
audio
cable
5
3
Having tr ouble�
T� differen t son �s un� l
you see some wa� s.
13
wH
y’d
iT
dO
TH
a
T?
refer back to
What is Energy
on p.10
1
2
4