Archive | December 15, 2014

Day 67: Marshmallow Puff Tube



College-Prep Physics: We did an exploratory activity as an introduction to impulse. Another single-sentence lab:

LAB 13 — Marshmallow¬†Puff Tube
Design several mini-experiments to determine the factors that affect the speed of the marshmallow.

Here’s the results from one group.


Sadly, no one thought to change the mass of the marshmallow:


More info about building marshmallow puff tubes:

NGSS Science and Engineering Practices:
#3. Planning and carrying out investigations