This two lesson mini-unit addressing Materials on Earth's Surface (water, rocks, soil and living things) includes two mini lessons, a 34 slide animated power point presentation and ten printable page worksheets, activites and an 11 question quiz! The objective of this mini-unit is for students to understand about the four main materials on the Earth: water, soil, rocks and living things and how important they are to our life on Earth. Lesson one focuses on the water on Earth and explains that 3