Signs of a hidden structure inside Earth's core have been detected. | Hashem Al-Ghaili

Kinds of Curriculum There are many types of curriculum, including traditional, subject-centered, and learner-centered. Traditional The traditional approach is similar to the textbook and workbook approach used in American public schools. Subject-centered This curriculum focuses on teaching students specific subjects in depth. Learner-centered This curriculum is designed around the needs, interests, and goals of students. Hidden curriculum This curriculum is not planned, but it has a significant