Connect students directly to the concept in a personal way. Capture students' attention by initiating a group problem-solving activity before delivery of instruction. Begin with a situation that is familiar to students and builds on what they already know. Construct a learning experience that allows diverse and personal student responses. Facilitate the work of cooperative teams of students.

Students experience rotational motion with water, pail, and rope.

Objective: To create an experience where rotational motion of an object allows for the unexpected to happen. This should raise the question, "Why?"

Activity: After ensuring safety, teacher swings a 1-gallon pail of water on the end of a cord over his head in the classroom.

Assessment: Students' reactions and expectations. Teacher looks for prior experience with similar action or response of, "Wow, I wonder why the water did not spill out!"