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Transcript of Floating Letters
Hypothesis & Varibles
Our hypothesis is that M&M's letters will float off the fastest because the inside of the candy is not hard. We also predict that the color brown's letter will float off faster than any of the other color's letters because brown is already the color of the candy's inside (chocolate).
The variables are:
Skittles' letters float up the fastest and the color whose average time was the fastest was yellow. The evidence for this claim can be seen in our photos, tables, and graphs. M&M's consistently took longer than Skittles, sometimes by more than ten minutes. Within 5 minutes, all of the Skittles' letters had floated to the top, besides a few trials where one or more colors' letters did not float up at all after 20 minutes. We observed the yellow Skittles' letter peeling off at around the 1 minute mark and completely floating by 2 minutes.
In our Classroom
This investigation could be used to discuss water solubility. It could also be used to discuss parts of candy, such as the dyes and hard shells.
Out of M&M's and Skittles,
which color's letter floats off the fastest?
After this experiment, students could change variables (e.g., temperature of water, types of Skittles and M&M's) to see how it would effect the timing of the floating letters.
1) Separate candies by color - 3 of each
M&M's: red, orange, blue, green, yellow, brown
Skittles: red, yellow, orange, green, purple
2) Place candies in a clear dish, letters facing up
3) Pour water onto the candies until they are completely submerged
4) Allow letters to soak for up to 20 minutes
Record the time when letters float up, categorized by color
5) Repeat for a total of 3 trials