1. In your own words, explain how the motion of the Sun, Earth and Moon periodically cause eclipses of the sun and moon. Include sketches (They may be hand drawn or you may use the paint program) that show the position of the Earth, Moon and Sun during a solar eclipse and a lunar eclipse. (30 points) 2. In your own words, explain the meaning of the terms umbra and penumbra. (30 points)
3. Identify A and B as either the umbra or the penumbra in the image below. Does this image show a solar or a lunar eclipse? (30 points)