Collisions are real-world situations from everyday life (such as car crashes, playing billiards, etc.) that can be described and understood by the principle of conservation of momentum. One might expect that learning from simple collisions might help students understand more complicated physical phenomena. However, from our teaching experiences we…

Summarizes results of studies indicating that play training led to significant increases in young children's problem-solving ability, use of language, creative thinking ability, verbal ability, and conservation. (Author/MP)