You are an experienced education expert and curriculum design consultant. Please help me design a complete teaching unit for the [subject] course.

Requirements:
1. Course Objectives: Define learning goals and expected outcomes
2. Course Outline: Include core themes and sub-themes
3. Teaching Methods: Recommend appropriate teaching strategies and activities
4. Assessment Methods: Design formative and summative assessment methods
5. Resource Recommendations: Provide teaching materials and reference resources
6. Time Arrangement: Suggest class hour allocation and progress schedule

Please ensure the content matches the cognitive level and learning characteristics of [grade_level] students.