Question

During an investigation, similar glow sticks were placed in two beakers containing water at different temperatures. A record of the investigation is shown below:


Investigation Record
Glow Stick Beaker Water
Temperature Duration of Glow Stick in
the Beaker
A 50 °F 2 minutes
B 140 °F 2 minutes


When the glow sticks were bent, chemicals inside reacted to produce a glow. Which statement is most likely correct?


a) Stick A glows brighter as the rate of reaction inside it is higher.

b) Stick A glows brighter as the rate of reaction inside it is lower.

c) Stick B glows brighter as the molecules inside it move faster.

d) Stick B glows brighter as the molecules inside it move slower.

Answer 1

c) Stick B glows brighter as the molecules inside it move faster.