Which tool is used to determine how long it takes warm water to melt an ice cube?
A B C D
a scale a stopwatch a calculator a thermometer
Question: Which tool is used to determine how long it takes warm water to melt an ice cube?
(A) a scale
(B) a stopwatch
(C) a calculator
(D) a thermometer

Answer: (B) a stopwatch
Answer: (C) a calculator
Question: Which tool is used to determine how long it takes warm water to melt an ice cube?
(A) a scale
(B) a stopwatch
(C) a calculator
(D) a thermometer
Answer: (B) a stopwatch