About this Product• This download includes resources needed for one 45-minute science lesson. No prep needed!• The resources in this download are re-bundled from my Earth's Systems Unit Bundle. • Purchase materials for the topic(s) pertinent to your classroom - not an entire unit!• Files in this download are optimized for use with Adobe and Microsoft Office Products.Important Notes• Download a FREE Lesson to learn more about the resources included HERE.• Save $$$ with the Earth Science Complete