Answer
No you did not lose weight.
Explanation:
Weight is the force acting on an object, Gravity is a force on earth which does not apply to the moon so your weight may change depending in where you are but your mass will stay the same because mass measures the matter of an object ITSELF! Have a nice day....
Graduated cylinder
Stopwatch
Thermometer
It's between br and si so id go with br
C. The water molecules must gain kinetic energy.