Desvendando a Matéria Substâncias e misturas Q+CIÊNCIA

This science teaching material for sixth grade addresses the fundamental concepts of matter, defining it as everything that has mass and occupies space. The presentation explains that atoms are the basic units that, when combined, form molecules of different chemical substances. The central focus is on the distinction between simple pure substances, consisting of a single chemical element, and compound pure substances, formed by various elements. Practical examples, such as oxygen and water, are used to illustrate these classifications in everyday life and in natural processes such as photosynthesis.