### PENERAPAN STRATEGI PEMBELAJARAN HOLLYWOOD SQUARES UNTUK MENINGKATKAN PENGUASAAN KONSEP FISIKA SISWA KELAS XI IPA SMA NEGERI 14 PEKANBARU PADA MATERI USAHA DAN ENERGI

#### Abstract

*Abstract: **This **research** aimed to describe the concepts** **achievement** of physics and determine differen**t** in the** **concepts** achievement** of physics students between classroom implementation** **strategy hollywood squares** l**earning with conventional learning classes. This type of research is a quasi-experimental, with a intact group comparison design. The sample **of** this research is 33 students XI IPA*_{2}* class** that **that appliying of** strategy hollywood squares **learning **and 34 students** XI** IPA*_{3}* class** **that **is with **conventional learning . The data in this **reseacrh** a concept mastery score after appl**lyng** of **hollywood squares learning.** The data were analyzed using descriptive and inferential statistical. From inferential statistical we found that, there were a difference ability of the **concept** achievement** **of physics student’s between hollywood squares learning group with conventional learning group**. **The result of this research olso swhowed ** **the concept of physics control** of students in class implementation strategy hollywood squares learning that are in the medium category with a score of 70.22, while in the conventional classroom learning physics problem solving ability of students that are in the low category with a score of 63.47. **thereofer,**It can be concluded that the **implementation** of strategies hollywood squares** learning** can improve**d** their understanding of physics concepts students **in work** and energy effort in class XI IPA at SMAN 14 Pekanbaru.*

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