The amount of matter an object has is called

• A. Volume
• B. Mass
• C. Weight
• D. Matter

Answer: (B)

Mass is the amount of matter in an object. It tells you how much stuff there is and is measured in grams or kilograms. This quantity stays the same regardless of location because it’s about how much matter there is, not the gravity acting on it. Volume, by contrast, is the amount of space an object occupies and can differ even if the mass stays similar. Weight is the gravitational force on that mass, so it can change with gravity (heavier on Earth, lighter on the Moon). Matter is what substances are made of, not a measure of how much there is. So the term that names the amount of matter is mass.