Performance in Biology at secondary school level in Kenya remains poor and one reason is the teaching approach adopted by teachers with teacher-centered approaches being pre-dominant. This study sought to determine the effect of cooperative learning approach on mean achievement scores in Biology of secondary school students.…

Successful teaching and learning of chemistry depends partly on correct use of a teaching method whose activities target most learning senses. Though chemistry enhances students' learning of biology, physics and agriculture on which Kenyan industries and prosperity depend, most secondary school students in Kenya perform poorly on the subject. This…