Mass Measurement and Properties

These flashcards cover key concepts related to mass measurement, properties, and distinctions between mass and weight.

What is mass?

Mass is a measure of the amount of matter or substance that a system is composed of.

How do you determine the mass of a system?

By measuring the quantity of matter or the amount of particles present in the system.

What does weight measure?

Weight measures the force that a system exerts on its support.

What key factors determine the mass of a substance?

The number of particles, the number of atoms in each particle, and the type of atoms in each particle.

How is mass expressed in units?

Mass is typically expressed in kilograms (kg), grams (g), milligrams (mg), and other metric units.

What is the difference between mass and weight?

Mass is a measure of matter, while weight is the force exerted by gravity on that mass.

How do you write a mass measurement using symbols?

Format: [symbol for quantity] [subscript] = [numerical value] [unit symbol], such as m = 120,000 kg.

What is the SI unit for mass?

The SI unit for mass is the kilogram (kg).

How do you determine the volume of a system?

Volume is generally determined through various measurement techniques specific to the object or substance.

What does the term 'mass density' refer to?

Mass density refers to the mass of a substance per unit volume, typically expressed in kg/m³ or g/cm³.

How do you recognize different substances in a store?

By comparing their characteristics such as mass and volume, and knowing their material composition.