a balance a ruler a microscope a graduated cylinder
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student conducts an experiment with potato slices and salt water. The student wants to determine if a higher concentration of salt will affect the amount of water a potato slice absorbs. Which tool would be best to compare the masses of the potato slices?
Possibilities:
- a balance
- a ruler
- a microscope
- a graduated cylinder

a balance