Balance and graduated cylinder Centimeter ruler and thermometer Graduated cylinder and centimeter ruler Thermometer and balance
I gave my students this multiple choice question: A student wants to compare the masses and volumes of three marbles. Which two instruments should be used?

Only one answer is correct among these 4 choices:
- Balance and graduated cylinder
- Centimeter ruler and thermometer
- Graduated cylinder and centimeter ruler
- Thermometer and balance

Could you tell me which one is correct?

Balance and graduated cylinder