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.
Muscle pain, also called myalgia, refers to pain or discomfort in any muscle of the body. Muscles include skeletal muscles that are attached to bones and contract to move your body.Although we often think of skeletal muscle pain, problems with other kinds of muscle, such as smooth muscle and cardiac muscle, can also cause pain.uscle pain can also be caused by serious diseases, disorders and conditions, such as fibromyalgia, infections and dermatomyositis, which is an inflammatory muscle disease. Muscle pain can be a symptom of a serious disease, disorder or condition, such as a severe muscle tear or infection.