Using a long, thin strip of paper, students first try to guess the relative distances between the Sun, solar system members, and Pluto. Afterwards the teacher instructs them to fold the paper in a special sequence to discover the proper spacing.
Using a long, thin strip of paper, students first try to guess the relative distances between the Sun, solar system members, and Pluto. Afterwards the teacher instructs them to fold the paper in a special sequence to discover the proper spacing.