MultiModal Science Lab:zlc1 Air Speed

Title:
air speed
Question/Problem:
I wonder which balloon will win the race?
How might you text/examine this?
(text or audio recording)
Hypothesis/Hypotheses:
http://croak.eu/NcYsk6
Materials:
2 3 meter pieces of string, scissors, drinking straw, tape, balloons, stop watch and a meter stick

Procedure:
1.Blow up a balloon, but do not tie the end. Make a hypothesis (an educated guess) of what will
happen when you let go. record your guess on your blueprint.
2.Let go! make observations and explain what you saw.
3.set up your track
Results/Outcome:
(video or photo)
Reflection/Conclusion:
(video or audio)
New Questions:

Investigation Journal:
daily notes, observations, data tables, anecdotal records, etc.
(add link to or upload file)