What is the definition of volume and mass?

Question

What is the definition of volume and mass?
Can you answer these questions which tools would you use to find each?-
The mass of a rock.
The time it takes to sharpen a pencil
The amount of liquid in a jar
The length of a desk
The temperature of the air

Answer 1

Volume is simply the amount of space an object takes up, or the capacity of a certain three dimensional space.

Mass is a count of how much matter is in an object.

As for the measuring devises, I'm not going to insult your intelligence by reminding you about things like balances, rules and thermometers.