Question

Krishne wants to measure the mass and volume of a key. Which tools should she use?

a balance and a beaker of water
a balance and a meter stick
a beaker of water and a ruler
a ruler and a meter stick

Answer 1

I'd say A. It'd be the most practical. Usually, measuring objects like this, you put it in the labeled beaker with water and measure how much the water rises. The balance is for the mass.

Answer 2

Answer: I would say A