At the design stage of the product, researchers 
first conduct an assessment of student learning 
resources such as books and LKS. From these 
activities it is known that the display of books and 
chemical LKS tends to be monotonous. After the 
assessment, the researcher begins to define the 
objectives and topics of learning, define the 
problem, develop the hypothesis, find information 
from various sources related to the buffer solution, 
and determine the smash book decoration. 
In the design validation phase, the researcher 
asked 3 experts to rate the smash book that has been 
made. Each expert is required to assess the 
feasibility of smash book media from the aspect of 
content, presentation, language, and graphic, so it 
can be known weaknesses and superiority of 
products made. 
In the design improvement phase, the researcher 
improves the product that has been made based on 
input from 3 experts. The revised product can then 
be tested to a particular group. In the test phase, the 
product is tested to 10 students of grade XI IPA 
SMA Muhammadiyah 1 Banjarmasin. 
At the product revision stage, researchers refine 
the smash book based on feedback from the product 
trial subjects. The revised product is then tested 
again at the trial stage of usage. At the trial stage of 
use, the researchers used post-test nonequivalent 
control group design to assess the success of the 
product made. In this design, the experimental and 
control groups were selected without random 
placement procedures and performed both pretest 
and posttest. It's just that the control group is not 
given a particular treatment (creswell, 2009: 160). 
At the end of this test phase, the researcher asks all 
students in the experimental group to respond by 
filling in the shared questionnaire. The student's 
response to the experimental group will then be used 
as feedback on the revision phase of the product. 
There are 3 Instruments used to collect data in 
this research are: (1) questionnaire of smash book 
filled by 3 experts, (2) questionnaire of smash book 
readiness filled by 10 high school students of class 
XI, (3) response questionnaire filled by students 
from the experimental group. The data obtained 
from the questionnaire is analyzed descriptively 
quantitatively by calculating the percentage of value 
provided by the expert and students. 
3 RESULTS AND DISCUSSION 
The result of this research is learning media in the 
form of smash book. In the smash book there are 8 
subtopics of learning, namely: (1) definition of 
buffer solution; (2) components and means of 
making acid buffer solution; (3) components and 
means of making basic buffer solutions; (4) 
calculation of pH of acid buffer solution; (5) 
calculation of the pH of the base buffer solution; (6) 
pH and how acid buffer solution works when added 
water, acids and bases; (7) pH and the working of an 
alkaline buffer solution when added water, acids and 
bases; (8) the function of the buffer solution in the 
body. The presentation of each subtopic uses guided 
inquiry strategy, consisting of the stage of problem 
formulation, hypothesis formulation, hypothesis 
testing and conclusion drawing. However, the smash 
book is developed, the stages are not written in 
Indonesian, but written in English is quite popular 
among students to look different than other types of 
print media. The first guided inquiry stage is the 
formulation of the problem. At this stage students 
are given a phenomenon, data, or giving examples 
and non-samples, then students are guided using 
supervisor questions so that students can understand 
the problems that have been formulated. 
Furthermore, in the second stage of the hypothesis 
formulation, students are asked to write down the 
alleged or temporary answer to the given problem. 
In the third stage of hypothesis testing, students are 
asked to study the literature, analyzing the 
illustrations of images or data provided. In the fourth 
stage of drawing conclusions, students are asked to 
write conclusions in the places that have been 
provided. 
In addition to paying attention to aspects of 
content and presentation, the development of smash 
book also pay attention to the decoration aspect. In 
the developed smash book there are many ornaments 
such as paper clips, cartoon pictures, origami papers, 
quote, ice cream sticks, page delimiters and others 
are deliberately affixed to increase the attractiveness 
of the resulting learning media. In addition, the 
developed smash book also provides prerequisite 
materials that can be completed or completed by 
each student before studying the material in the core 
activities. Examples of smash books that have been 
developed can be seen in Figure 1, 2, 3, 4, 5, and 6 
below. 
Smash book based guided inquiry that has been 
made is tested its feasibility by 3 experts, consisting 
of 2 chemistry lecturers from Lambung Mangkurat 
University (ULM) and 1 chemistry teacher. The 
results of the media feasibility test can be seen in 
Table 1.