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.
A control system is a device, or set of devices, that manages, commands, directs or regulates the behaviour of other devices or systems.