Question

how much does the rock weigh?
this scale is measuring the amount of matter in the rock what is the scale measuring?
a. length
b. volume
c. color
d. mass

Explanation:

Step1: Understand the concept of a balance scale

A balance scale is used to measure the mass of an object. Mass is the amount of matter in an object.

Step2: Analyze the options

• Option a (length) is measured with tools like rulers.
• Option b (volume) is measured using containers for liquids or formulas for solids.
• Option c (color) is a qualitative property, not measured with a balance scale.
• Option d (mass) is what a balance scale measures as it compares the amount of matter (mass) of the rock with the known masses of the weights.

Answer:

d. mass