Coke vs. Diet Coke Lab

•Science Starter-Predict which liquid is more dense: hot water or cold water.•Stamp ISJ 43 (bottom questions 1-4)

HW-Finish ISJ 45-Layering Hot and Cold Water and ISJ 46-Convection Response. Due tomorrow!

Coke vs. Diet Coke

Similarities• Dark pop• No potassium• Similar flavors• Citric acid• Crisp taste• Carbonated water

Differences• Diet coke-no sugar

(aspartame)• Coke-sugar and corn

syrup• D. coke-more caffeine• D. coke-more sodium

Make a Prediction

Coke

Denser because:

Diet Coke

Denser because:

Experiment

Write an experiment to prove that one pop is denser than the other.

Step 1:

Step 2:

Step 3:

Step 4:

The denser pop is…

Coke-Cola Classic. This pop is denser because…

It has more sugar which adds mass to the pop.

Question 1

• D= m/v

• D= 3.2 g/4 mL

• D= 0.80 g/mL

Question 2

• D=m/v

• D=7g/2cm3

• D=3.5g/cm3

Question 3

• D=m/v

• D=0.4g/1.5cm3

• D=0.27g/cm3

Question 4

• D=m/v

• D*V=m

• 7.8g/cm3*10m3

• 78 grams