Lab Group 3 ACAN by

5x5 Window Frame

ashleyjonassen — 2013-11-19 19:16:06 UTC

This was the whole piece of glass after impact of one nail. The radial fracture travel from the point of impact outward to the edge of the glass. The concentric fractures are the tiny fracture circling the point of impact.

Front of Fragmented Window Glass

ashleyjonassen — 2013-11-19 19:20:29 UTC

This fragment of glass was taken from the 5x5 Window glass that was broken by an impact of a nail on a hard tile surface. The sample of glass was broken by the radial fractures of the impact. Radial fractures are the fractures that move from the point of impact outwards from the impact. The narrow end of the glass (bottom of picture) made contact with the point of impact. we can make this conclusion because concentric fracture are visible. Concentric fractures are the fracture of a glass that circle around the point of impact usually very close together and do not travel far from impact unlike the radial fractures.

Front of Fragmented Window

ashleyjonassen — 2013-11-19 19:21:45 UTC

Under a dissection scope we can tell that this is indeed the front of the window glass because the glass was hit by a nail on a hard surface. This can tell us that the front point of impact should be larger because the nail is pointed at the end so that when the nail hits the hard surface on the other side the nail will stop. That means that the pointed side of the nail will be piercing the back of the glass only cause a small exit whole while the larger part of the was on front side making a larger whole than the back.

Back of Fragmented Window

ashleyjonassen — 2013-11-19 19:22:55 UTC

Under a dissection scope we can tell that this is the back of the glass because the glass was hit by a nail on a hard surface. This can tell us that the exit point of impact should be smaller because the point on the nail was only able to pierce through backside of the glass because the hard surface stopped the rest of the nail from traveling through the backside of the glass only leaving a small exit point.

8x8 Window Glass

ashleyjonassen — 2013-11-19 19:23:58 UTC

Multiple Impacts. The glass was hit from the side visible in the picture.

- The Window Glass first point of impact was to the far right side (labeled 1). We can make this conclusion because the radial fractures travel from the point of impact to the edges of the glass with out being disrupted.

-The Window Glass second point of impact was to the middle (labeled 2). We can make this conclusion because the radial fractures travel to the radial fractures of the first point of impact and stop taking the path of least resistance from the already present fractures.

-The Window Glass third impact was to the far left side (labeled 3). We can make this conclusion because all the radial fracture are interrupted by already existing radial fractures caused by the first and second point of impact.

Pyrex Glass

ashleyjonassen — 2013-11-19 19:25:57 UTC

The Pyrex Glass beaker when dropped broke into multiple large pieces of glass yet smaller than the lead glass. The fragments of glass all organic shapes although most resemble a triangle.

Tempered (Auto) Glass

ashleyjonassen — 2013-11-19 19:26:39 UTC

The Tempered (Auto) Glass was impacted from the right side of the glass. We can conclude this because all the radial fracture originate from the right side. The Tempered (Auto) Glass is made so that when it is hit the glass will have many fractures so that there is more damage to the glass but less sharp shard of glass flying into the car.

Lead Glass

ashleyjonassen — 2013-11-19 19:27:19 UTC

The Lead Glass broke into large pieces of glass with organic shapes from a wine glass.

Tempered Glass with a Mass of .703g

ashleyjonassen — 2013-11-21 15:57:47 UTC

The Tempered (Auto) Glass that we found the mass in grams and the volume in milliliters. Using this information we also found the density (g/mL) by dividing mass (g) by the volume (mL).

Still Water Before Dissplacements

ashleyjonassen — 2013-11-21 16:01:02 UTC

For each glass type the water before displacement was 6.8mL.

Lead Crystal Glass with a Mass of .422g

ashleyjonassen — 2013-11-21 16:15:45 UTC

The Lead Crystal Glass that we found the mass in grams and the volume in milliliters. Using this information we also found the density (g/mL) by dividing mass (g) by the volume (mL).

Lead Crystal Glass with a Volume of .2mL

ashleyjonassen — 2013-11-21 16:17:30 UTC

.422g/.2mL equals its density of 2.11 g/mL

Pyrex Glass with a Mass of .390g

ashleyjonassen — 2013-11-21 16:19:39 UTC

The Pyrex Glass that we found the mass in grams and the volume in milliliters. Using this information we also found the density (g/mL) by dividing mass (g) by the volume (mL).

Window Glass with a Mass of 1.370g

ashleyjonassen — 2013-11-21 16:20:15 UTC

The Window Glass that we found the mass in grams and the volume in milliliters. Using this information we also found the density (g/mL) by dividing mass (g) by the volume (mL).

Tempered (Auto) Glass with a Volume of .4mL

ashleyjonassen — 2013-11-21 16:35:06 UTC

.703g/.4mL equals its density of 1.7575 g/mL

Pyrex Glass with a Volume of .2mL

ashleyjonassen — 2013-11-21 16:38:15 UTC

.390g/.2mL equals its density of 1.95 g/mL

Window Glass with a Volume of .6mL

ashleyjonassen — 2013-11-21 19:26:26 UTC

1.370g/.6mL equals its density of 2.83 g/mL

Tempered (Auto) Glass In Clove Oil

ashleyjonassen — 2013-11-21 20:03:52 UTC

The Tempered (Auto) Glass is very visible in the clove oil so we ranked it a FIVE therefor this glass does not have the same refractive index as clove oil.

Lead Crystal Glass in Clove Oil

ashleyjonassen — 2013-11-21 20:04:24 UTC

Lead Crystal Glass is some what visible in the vegetable oil so we ranked it a THREE therefor this glass does not have the same refractive index as clove oil.

Window Glass in Clove Oil

ashleyjonassen — 2013-11-21 20:06:33 UTC

Window Glass is not very visible in clove oil so we ranked it a ONE therefor it is closet to having the same refractive index as clove oil. (1.535-1.543)

Window Glass in Vegtable Oil

ashleyjonassen — 2013-11-21 20:16:07 UTC

Window Glass is some what visible in vegetable oil so we ranked it a THREE therefor it does not have the same refractive index as vegetable oil.

Lead Crystal in Vegetable Oil

ashleyjonassen — 2013-11-21 20:17:50 UTC

Lead Crystal Glass is not very visible in the vegetable oil so we ranked it a ONE therefor this glass is closet to having the same refractive index as vegetable oil. (1.474)

Tempered (Auto) Glass in Vegetable Oil

ashleyjonassen — 2013-11-21 20:18:39 UTC

The Tempered (Auto) Glass is not that visible in the vegetable oil so we ranked it a TWO therefor this glass is closest to having the same refractive index as vegetable oil. (1.474)

Pyrex Glass in Vegetable Oil

ashleyjonassen — 2013-11-21 20:19:32 UTC

Pyrex Glass is noticeably visible in vegetable oil so we ranked it a FOUR therefor it does not have the same refractive index as vegetable oil

Lead Crystal Glass in Water

ashleyjonassen — 2013-11-21 20:21:55 UTC

Lead Crystal Glass is very visible in the water so we ranked it a FIVE therefor this glass does not have the same refractive index as water.

Window Glass in Water

ashleyjonassen — 2013-11-21 20:22:33 UTC

Window Glass is very visible in water so we ranked it a FOUR therefor it does not have the same refractive index as water.

Tempered (Auto) Glass in Water

ashleyjonassen — 2013-11-21 20:22:58 UTC

The Tempered (Auto) Glass is very visible in the water so we ranked it a FIVE therefor this glass does not have the same refractive index as water.

Pyrex Glass in Water

ashleyjonassen — 2013-11-21 20:23:51 UTC

Pyrex Glass is very visible in water so we ranked it a FOUR therefor it does not have the same refractive index as water.

Pyrex in Clove Oil (CLICK TO VIEW)

ashleyjonassen — 2013-11-21 20:45:47 UTC

Pyrex Glass is not very visible in clove oil so we ranked it a TWO therefor it is closest to having the same refractive index as clove oil. (1.535-1.543)