This Earth and Space Science Activities Solar System Complete Unit has everything you need to introduce: Sun moon and stars, Earth's atmosphere, layers of the Earth, phases of the moon, and planets. This comprehensive unit includes solar system craft, planets craft, solar system posters, planets worksheets, lesson presentations, slideshows, digital and print science activities, printables, experiments, and assessments with answer keys.SAVE TREMENDOUS AMOUNTS OF TIME & ENERGY! This NO PREP AL