Could have the kids do this, upload to Edmodo, and then include a write-up explaining the different phases. Hands On Science: Phases of the Moon Activities for Kids - Inspire Creativity, Reduce Chaos & Encourage Learning with Kids
Create your own model to show how the Earth orbits the Sun while the moon travels around the Earth. Great manipulative to help explain the concept. Identify and describe characteristics of the sun, Earth and moon as familiar objects in the solar system.