Lesson 8: How do plants grow and change?
Lesson 9: What plants are in your area and how can you use them?
Lesson 10: What are some of Earth's landforms?
Lesson 11: What is the rock cycle?
Lesson 12: How is the landscape changing in my area?
Lesson 13: What is the ecosystem?
Lesson 14: How does energy pass through an ecosystem?
Lesson 15: How do ecosystems change over time?