Density Lab

The problem was that we need to float a vial in the middle of salty water and hot water. The hypothesis was that we needed to get the vial in between more than 1 g/cm and less than 1g/cm. T materials:

 a vial

 salt

 beaker

 tank filled with cold salt water and hot water 

 a balance beam

Procedure:

fill the vial with salt and water

find the volume of the vail by fill up a beaker to 80, putting in the vial and subtracting the difference between the two measurements

weigh the vial on a balance beam

find the density = mass/volume

adjust so that the density is close to 1

Data

30.5/26 = 1.15

20.86/25 = .83

20.116/23=.90

30.3/23=1.31

20.93/23=.91

We never did make the vial float in the middle 

Tootsie Pop Lab

How many licks does it take to get to the center of a tootsie pop? To figure this out you would needed a tootsie pop, your tongue and some form of keeping track of counting. You start licking either side of the raised edge. The number of licks it took came out between two hundreds and four hundreds. Although some was in the one hundreds and some were above the four hundreds. This could be because were the tootsie was in these certain lollipops. In addition, it could be because how hard the person licking these lollipops. How thick the lollipop was or how small the tootsie was could also affect how many licks it took. You see many things could have determined the number of licks it took but since most were in between two hundred and four hundred, we can average those and see how many licks it would take. The average of this experiment is 281 licks.