A streak plate-streak shows the true color of a mineral. Photo by Patrick Laird Â©. The streak of a mineral is the true color of the mineral and is quiet helpful in identifying minerals. It is easiest to rub the mineral across a streak plate in order to view the powdered residue (streak). The best streak plates are unglazed white porcelain tiles.
Rule-governed behavior. â¢ Behavior is primarily controlled by a verbal description. of a contingency of reinforcement or punishment. â¢ The description usually describes the behavior, the SD. for this behavior and the typical consequence for this. behavior in thebehavior in the presence of the SD.
How rules help you manage email messages. A rule is an action that Microsoft Outlook takes automatically on an arriving or sent message that meets the conditions that you specify in the rule. You can choose many conditions and actions by using the Rules Wizard.