1 For example, Granite is a rock made of the minerals: quartz, mica, and other minerals. 2  Students will know that rocks and minerals are found in the earth's crust. 3  Students will realize that rocks and minerals are used to produce many important materials.
Muscle pain (myalgia) are pulling, gut-wrenching and spasmodic pain in the muscles: the term myalgia is composed of the Greek words myos for muscle and algos for pain. Muscle pain can spread (diffuse) or (local) occur in a certain place of the body.
Fibromyalgia is a condition that causes lasting, and sometimes debilitating muscle pain and fatigue. No one knows exactly what causes it, but it may be triggered by injuries, emotional trauma, or viral infections. Fibromyalgia is also known as fibrositis or fibromyositis.