Things Are Not What They Seem

In this lesson, students explore a discrepent event by designing experiments to test either what makes a "come-back can" return (a can that when you roll away from you, always returns) or UV beads change color. This activity should come either near... (View More) the beginning or end of a unit on stars and galaxies. This lesson is part of the Cosmic Times teachers guide and is intended to be used in conjunction with the 2006 Cosmic Times Poster. (View Less)