The choice of materials for a job depends on their properties and on
how they interact with other materials. Similarly, the usefulness of some
manufactured parts of an object depends on how well they fit together with
the other parts.
| NSES Content Standard D
Earth and Space Science: Properties of Earth materials Grades K-4, page 134 Earth materials are solid rocks and soils, water, and the gases of the atmosphere. These varied materials have different physical and chemical properties, which make them useful in different ways, for example, as building materials, as sources of fuel, or for growing the plants we use as food. Earth materials provide many of the resources that humans use. |