In 4 (18-oz) jars or containers, or 2 (26-oz) jars or containers, layer arugula, chicken salad, quinoa, strawberries and slivered almonds. Arrange goat cheese balls around perimeter. Top with avocado. Squeeze remaining 1/2 lemon over avocado. Sprinkle with additional salt and pepper. Cover; tote to lunch. Store in refrigerator.