Equal volumes of different substances usually have different weights.
The most closely related standard is at a higher level of sophistication.
| NSES Content Standard B
Physical Science: Properties and changes of properties in matter Grades 5-8, page 154 A substance has characteristic properties, such as density, a boiling point, and solubility, all of which are independent of the amount of the sample. A mixture of substances often can be separated into the original substances by using one or more of the characteristic properties. |