Science materials for second-year junior high school students, a series for learning about chemistry and the properties of matter. - Title: Challenge Science 111 Chemical Reactions and Atoms/Molecules - Title: Challenge Science 112 Various Materials and the Mass of Substances - Title: Challenge Science 113 Properties and Changes of Matter - Series: Challenge - Target Grade Level: 2nd year of junior high school - Publisher: Keirinkan - Language: Japanese Thank you for viewing.