Abstract:
Science material is usually presented systematically and structured, Think Pair Share
is one of the model that accommodates collaborative activities and directs students to work
together in small groups with different abilities and social backgrounds. TPS is helpful in terms
of improve student understanding, because there are activities to clarify and share ideas in pairs
or groups. In addition, TPS supports collaboration activities between students and teachers. The
research aims to improve understanding of concepts and describe collaborative activities related
to learning using TPS in blood circulation system. This research is a classroom action research
conducted during two research cycles. Data were analyzed descriptive. Based on the results of
the study showed that there was an increase in student understanding in each cycle, namely in
cycle I by 73.18 and cycle II by 80.56 while based on the average collaboration activity is better.
Keywords: think pair share, student understanding, collaborative activity, blood circulation
system
