The video tutorial explores the concepts of mass and volume in the metric system. It explains that mass is the amount of matter in an object, while volume is the space it occupies. The tutorial covers how mass is measured in kilograms, grams, and milligrams, and how volume is measured in liters, milliliters, cubic centimeters, and cubic meters. It also discusses methods for calculating the volume of regular and irregular solids, such as using a balance or water displacement. Finally, the concept of density, defined as mass per unit volume, is introduced.

What is the definition of mass in the metric system?

How is volume measured in the metric system?

What are the methods used to measure the volume of solids?

What challenges are associated with calculating the volume of irregularly shaped solids?

Explain the concept of density and its significance.