1. Add enough vegetable oil to cover the bottom of the beaker. Make a tight cover for the beaker for the aluminum foil. Weight the beaker as it is and record the weight.
2. Add 25-30 kernels of popcorn to the beaker and replace the lid. Weight the beaker again, with the popcorn in it.
3. Poke several holes in the aluminum foil and place it on the ring stand over the bunsen burner.
4. When the popcorn is finished popping, remove the heat and carefully take off the aluminum cover.
5. Let the beaker stand until it is cool. Once it has cooled, weigh the beaker with the popped corn and the cover on. Record!
Alright! Our group's results:
Beaker, Oil, & Aluminium: 200g
Beaker, Oil, 30 Kernels, Aluminium: 204.8g
Beaker, Oil, Popped Popcorn, Aluminium after heated: 204.3g
We lost approximately 1% of mass due to getting rid of the water. We believe that we would have lost more mass if we would have followed the directions exactly. We did not remove the aluminum cover when we were supposed to, because popping popcorn we could eat was a lot more important. :D
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