How greasy are your potato chips? By: Dharma Shrecengost.

How greasy are your How greasy are your potato chips?potato chips?

By: Dharma ShrecengostBy: Dharma Shrecengost

Experimental DesignExperimental Design Problem- Problem- What is the effect of the What is the effect of the

chip brand on the grease amount?chip brand on the grease amount?

IV: IV: Chip brandChip brand Levels of the IVLevels of the IV: Lay’s, UTZ, : Lay’s, UTZ,

Kroger’s store brand, WiseKroger’s store brand, Wise

Reason control was selected:Reason control was selected: DV: DV: Amount of greaseAmount of grease

Experimental DesignExperimental Design

Constants (3) :Constants (3) :Paper towel brand, Paper towel brand, regular flavor, amount of crushed chips regular flavor, amount of crushed chips

Hypothesis: Hypothesis: If the chip brand is Lay’s If the chip brand is Lay’s then the grease amount will be greater, then the grease amount will be greater, than the UTZ, Kroger store brand and, than the UTZ, Kroger store brand and, Wise.Wise.

ChipsChips Precisely 25 paper towelsPrecisely 25 paper towels RulerRuler Permanent MarkerPermanent Marker CameraCamera TableTable Stop watchStop watch PencilPencil PaperPaper

Materials Materials

Procedures Procedures

Gather MaterialsGather Materials Place five paper towels beside each other on a tablePlace five paper towels beside each other on a table Write one name of the listed potato chip brands per Write one name of the listed potato chip brands per

paper towelpaper towel On one paper towel on the top write UTZOn one paper towel on the top write UTZ On the next paper towel on the top write WiseOn the next paper towel on the top write Wise On the next paper towel at the top write Kroger’s On the next paper towel at the top write Kroger’s

store brandstore brand On the remaining paper towel at the top write Lay’s On the remaining paper towel at the top write Lay’s

Procedures (continued)Procedures (continued)

Open each chip bag (package)Open each chip bag (package) Place two chips into their correctly labeled Place two chips into their correctly labeled

paper towelpaper towel Make sure the chips are equally leveled on Make sure the chips are equally leveled on

the paper towelthe paper towel Turn the stop watch on Turn the stop watch on After 10 minutes have gone by, remove After 10 minutes have gone by, remove

the chips from the paper towelsthe chips from the paper towels Measure grease spots with a ruler in cmMeasure grease spots with a ruler in cm Record and compare all dataRecord and compare all data Repeat steps five times for accurate resultsRepeat steps five times for accurate results

Data TableData Table

ChipChip

BrandBrand

Trial Trial

11

TrialTrial

22

TrialTrial

33

TrialTrial

44

TrialTrial

55

Avg’sAvg’s

Lay’sLay’s 1010 1212 3535 3030 1717 20.820.8

WiseWise 1616 2020 2222 3030 2222 2222

Kroger’s Kroger’s store store brandbrand

44 2727 77 1818 2525 16.216.2

UTZUTZ 3434 44 2626 2626 2929 23.823.8

Measured perimeter of the grease spot in centimeters.

Graph (Trails)Graph (Trails)P

erim

eter

of

grea

se

spot

in c

m.

Graph (Averages)Graph (Averages)A

vera

ge

Mea

sure

men

to

f T

he

Gre

ase

Sp

ot

Brand Name of Chips

Discussion – Discussion –

The results concluded that Utz had the most The results concluded that Utz had the most grease of the chips tested. The average of Utz grease of the chips tested. The average of Utz was 23.8, the average of Wise was 22, the was 23.8, the average of Wise was 22, the average of Lays was 20.8 and, the average of average of Lays was 20.8 and, the average of Kroger’s store brand was 16.2. Kroger’s store brand was 16.2.

The research concluded that there are regular, The research concluded that there are regular, kettle-cooked, baked and air-popped potato chips, kettle-cooked, baked and air-popped potato chips, as well as potato crisps. These potato chips all as well as potato crisps. These potato chips all have varied amounts of grease depending on the have varied amounts of grease depending on the cooking methods. Usually, baked and air-popped cooking methods. Usually, baked and air-popped chips should have the least amount of grease, chips should have the least amount of grease, with regular and kettle chips having the most.with regular and kettle chips having the most.

ConclusionConclusion

Hypothesis: If chip brand is Lays, Hypothesis: If chip brand is Lays, then grease amount will be higher.then grease amount will be higher.

Hypothesis was rejected , because Hypothesis was rejected , because the chip brand (Lays) had a lower the chip brand (Lays) had a lower amount of grease than the Utz and amount of grease than the Utz and Wise.Wise.

Conclusion (continued)Conclusion (continued)

Errors made included: Size of chipErrors made included: Size of chip

If done differently: I would use If done differently: I would use differently textured chips along with differently textured chips along with a different flavor (ex. Sour cream & a different flavor (ex. Sour cream & onion)onion)

Conclusion (continued)Conclusion (continued)

Overall, this science experiment Overall, this science experiment was a success, because I accurately was a success, because I accurately measured the grease of the chips measured the grease of the chips and had all the chips begin and end and had all the chips begin and end at approximate the same time.at approximate the same time.

QuestionsQuestions

Are there any questions?Are there any questions?