Friday, September 20, 2013

Oreo Cookie Lab

                                                                      Oreo Cookie Lab

Author: Kenny Carnes, Pentucket HS.
Date: Lab conducted on sept.12,2013

 Students measured the filling in three types of Oreo cookies to determine if the filling amounts matched the advertising.

Hypothesis: I thought the filling would match the advertising.

Method:
1. Remove filling from all of the different Oreo cookies.
2. Weigh each cookie filling to determine the mass.
3. Compare masses to see if the filling sizes match the advertising.

Results:
Original Stuf: 2.85g      Original/Original = 1.00%
Double Stuf: 6.33g       Double/Original = 2.22%
Mega Stuf: 8.90g         Mega/Original = 3.12%

Conclusion:
  The results prove that every filling was accurate or close to being the exact size that the advertising claimed they were.

Friday, September 13, 2013

Learning this week

a. Do Bowling Balls float or Sink:

        I learned that an object will only float in water if the density of that object is less than the density of water. I also gained valuable skills in measuring because we had to measure and figure out the density. We also had to figure out the volume and mass of the bowling balls. We then had to convert pounds to grams using a metric conversion.

       To fully understand buoyancy we first had to figure out all of these things. Once we figured out the mass, density, and volume we had a general idea on whether the bowling ball would sink, float, or be stuck in the middle.  We then Hypothesized on whether the ball would float or sink. We then tested this theory and found out what the end result would be. The heaviest ball sunk. The medium weight ball sunk, but hovered on the bottom. The lightest ball kind of floated a few inches from the bottom of the tank, and stayed there.

Friday, September 6, 2013

Why Study Science

I hope to gain a lot of knowledge on physical science. I hope to get better at chemistry, and learn some physics in the process. Also I wanted to take this course because Ms. McCarron is my favorite teacher, and I always have fun in her classes.