In this unit, students investigate rocks and minerals. Through their experiences, students are introduced to the following science concepts, skills, and attitudes. Concepts Rocks are aggregates of minerals, and they may also contain organic matter.
Different rocks have different properties.
The properties of rocks reflect the way they were formed and the minerals in them. Each mineral is composed of only one substance, and that substance is the same in all samples of the mineral. Minerals differ in color, texture, smell, luster, transparency, hardness, shape, and reaction to magnets. The properties of rocks and minerals determine how they are used. Skills Using senses to observe and describe rocks and minerals.