Based on your query, Pedagogical seems to be a suitable tool for creating a worksheet for grade 9 civics on human rights.
The "Assessable Content" feature allows you to turn your classroom materials into quizzes or summaries with ease. This could be particularly useful in creating a worksheet from your existing lesson materials on human rights.
Moreover, the "Instructional Diagrams" feature could be beneficial in explaining complex topics related to human rights. You can add visual aids like flow charts and mind maps to help students understand these topics better.
Lastly, the "Worksheet Builder" feature, available even in the free plan, would be directly useful for your need. You can use this feature to create a structured and comprehensive worksheet for your students.
Please note that Pedagogical is still in beta, meaning it could have bugs or incomplete features. However, with its variety of tools and a free pricing tier, it presents itself as a value-packed toolset for teachers.