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 aches are not always harmless, and in some instances, home treatment is not enough. Myalgia can also be a sign that something is seriously wrong in your body. You should see your doctor for: 1  pain that does not go away after a few days of home treatment.2  severe muscle pain if you are unsure of the cause. 3  muscle pain that occurs along with a rash. 4  muscle pain that occurs after a tick bite. 5  myalgia accompanied by redness or swelling.ot all muscle aches are related to stress, tension, and physical activity. Some medical explanations for myalgia include: 1  fibromyalgia. 2  infections, such as the flu. 3  lupus. 4  use of certain medications or drugs, such as statins, ACE inhibitors, or cocaine.