What is the scientific method? Objective Students will observe the effects of soil on seed germination and growth. Students will determine the nutrient and pH values of the soils they used for their seeds. Background This lesson is ideal as a precursor to the lesson on Succession and Nutrient Cycling in a Temperate Rainforest Ecosystem. It will prepare students for a more extensive encounter with experimental design. Preparation You will need at least one copy of "Forging Connections - An Educational Resource For Kenai Fjords National Park" , page 103, features this lesson. Each student will n Duration: 90 Minutes Additional Standards: National Standards: Science A 1, A 2.