Student Project . . When Do Lunar Eclipses Happen? Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Last Updated: Oct. 11, 2024 Subject Science Time Required Under 30 mins Grade Levels 6-5 Find out what causes a lunar eclipse. Then, use a paper plate to make a model that shows why they don’t happen as often as you might expect. Materials Paper plate, take-out container, or another flat surface with raised edges (thick material recommended) Pencil, pen, or marking pen Scissors Small ball, appr