Chemistry, 25.05.2021 16:50 Animallover100
Jeffrey wants to lose weight by using caffeine to
help with exercise. He asks himself, "Which
caffeine drink will raise the heart rate the most?"
He tries to test this out by comparing the heart
rates of his neighbors, 3 brothers who are
triplets. One of the brothers drinks Pepsi,
another drinks a double shot of espresso (which
is coffee with twice the normal amount of
caffeine) and a third brother drinks only water for
comparison
Jeffrey finds out that the triplet with the double
shot of espresso had the highest heart rate.
4. What is the independent variable for this experiment?
5. What is the dependent variable for this experiment?
6. Which type of drink can be considered the control group? The pepsi, espresso, or water?
7 Write down 3 constants that all 3 brothers should be doing the same for this experiment?
Answers: 1
Chemistry, 21.06.2019 18:00
Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?
Answers: 3
Chemistry, 21.06.2019 21:30
An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.
Answers: 3
Jeffrey wants to lose weight by using caffeine to
help with exercise. He asks himself, "Which
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