During the rest of their study of rocks, the teacher will read books that have the word in context, or give the definition to them. As the children hear something that might give a better definition to one of their words, then they must call it to the class s attention. The teacher and students will stop what they are doing, and review what was just said. If the class agrees that what was said helps us understand the word better, then they will either add that part or change it completely to the vocabulary list they started earlier. A mark produced by some rocks when rubbed against a harder surface.
People grind up rocks to get colored powers called pigments.
A rock that we use on baby bottoms 4. Using the student s responses to the questions above, the teacher will allow the students to perform experiments to test their ideas. For example, many students may believe that color is an indicator if a rock will produce a streak. Ask the student how they would find out if this is true, and let them follow through. Provide students with a flat piece of wood and a hammer to break it apart.