In this activity, students use a paper plate to build a model that shows why lunar eclipses don’t happen during every full moon. Materials Paper plate, take-out container, or another flat surface with raised edges (thick material recommended), 1 per student or group Pencil, pen, OR marking pen Scissors Small ball, approximately 3-5 centimeters (1-2 inches) in diameter, or another object to represent the Sun, 1 per student or group (Optional) Jar, lid, or another round object that can be used to