Part A
1. mass of apparatus before mixing 1st trial. 5.288g 2nd trial 4.317g 3rd 5.387g
2. observations on mixing turned white, bubbly
3. mass of apparatus after mixing. 5.450g, 4.941g, 6.137g
Part B
1. mass of bottle water cap and tablets 68.2 63.4 65.3
2. observations bubbling disolves. 3
mass of aparatus after mixing 33.6 40.5 32.1
25.5 22.9 29.3
Part C.
mass of appartus berfore mixing. 3.962 3.962 3.948
1. for each experiment list the observations that suggest that a chemical reaction has taken place.
2. part A= dropped part b= dropped then raised
3. yes beacause they are close to each other
Jokes science
Friday, October 18, 2013
Friday, September 20, 2013
Oreo cookie lab
Author : nick
lab conducted sept. 12, 2013
STudents measured the filling in three types of oreo cookies to determine if filling amounts matched advertising
Hypothesis: it will match advertising
i peeled the filling from different types of oreos, original double stuff and mega stuff massed each and compared results
results
original 3.27 4.35g 3.1296 11.1 2.85
original 3.27 4.35g 3.1296 11.1 2.85
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