Lesson 3: Precipitation Reactions. A precipitation reaction is a reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid.That insoluble compound is called a precipitate.Solubility Rules for Ionic Compounds.esson 3: Precipitation Reactions. A precipitation reaction is a reaction in which soluble ions in separate solutions are mixed together to form an insoluble compound that settles out of solution as a solid. That insoluble compound is called a precipitate. Solubility Rules for Ionic Compounds.
The finding that extrinsic rewards can undermine intrinsic motivation has been highly controversial since it first appeared (Deci, 1971).
Motivation is what drives us to take some action. Doing something in order to obtain a reward or prize is extrinsic motivation. Doing something for the sake of enjoyment is intrinsic motivation. There are seven factors that can enhance intrinsic motivation. They are challenge, curiosity, control, fantasy, competition, cooperation and recognition. So, the next time you run into a group of athletes, ask what their motivation is for playing sports.