ANALYSIS OF STUDENTS’ MISCONCEPTION ON THE TOPIC OF HUMAN EXCRETORY SYSTEM IN GRADE XI SMA NEGERI DISTRICT MEDAN KOTA

The purpose of this study were to analysis the presence of misconception ,
concept that become misconception, percentage of concept that become
misconception and the source and cause of students’ misconception on the topic of
human excretory system in grade XI SMA Negeri District Medan Kota. This research
type was descriptive. The samples were 168 students from 2 SMA Negeri in District
Medan Kota. Data collected by using diagnostic test follow with open reasoning and
source of learning. The result show the students have misconception with concept
function of lungs as excretory organ was concept that highest become misconception
for students. Percentage of concept that become misconception was 100%. The
highest source and cause of misconception in this study was book/literature. The
author proposed the students to select the book/literature that use in study.