Introduces a chemistry lab activity that is suitable for almost any level of science class. Provides students with five solutions and asks them to determine if they have five distinct compounds or if any are the same. (YDS)

Illustrates how antigen-antibody interactions can be applied to the study of evolution. Includes background information, materials, methods, procedures, and results. (SAH)

Describes a game designed to drill students on chemistry concepts in the context of football. Scoring details and sample questions are included. (DDR)

Presents 10 steps that help teachers and students create a motivating and relevant simulation on an environmental topic of local interest. Steps include gathering information, selecting the problem, interviewing community members, determining interest groups, investigating interest groups, choosing the decision-making body and setting the…

Describes the constellations that can be seen during the month of October. Presents a story about the moon phases that comes from the Australian Aborigines. (JRH)

Presents instructions and one game board to play Jeopardy in chemistry class. (MKR)

Presents 6 short experiments with liquid nitrogen that 12- and 13-year-old students can safely perform under close supervision. Helps the students in learning a number of basic chemical principles while spurring their curiosity and showing them how much fun chemistry can be. (JRH)

Explains that motor oils can be reused and recycled. Educates students about environmental hazards and oil management and includes classroom activities. Addresses the National Science Education Standards. (YDS)

Describes a classroom activity in which candy is used to represent some Australian fossils with students asked to examine specimens and locate on a map of Australia where it might have been discovered. (Author/MM)

Describes an activity which presents the reactivity of metals series as a football pool with more reactive metals at the top of the table and unreactive metals at the bottom. Describes how the activity can be applied in different ways for different ability groups. (Author/MM)

Outlines one way in which a nuclear chain reaction may be modeled in the classroom using matches. Illustrations and safety notes are included. (Author/MM)

Describes an activity in physics using a narrative about a bet between a cheerleader who claims she can lift a 300-pound football player off the ground. Includes questions, teaching notes, and solutions. (MM)

Provides simple ideas that teachers can use to develop a biodiversity monitoring project at their school. (Author/CCM)

Presents a set of case studies in which students create, customize, and personalize their own scientific instruments. Finds that students become engaged in scientific inquiry not only through observing and measuring, but also through designing and building. (Author/CCM)

Recommends ways that teachers can scrutinize and modify their science teaching to avoid student misconceptions by focusing on clarifying conceptions, analyzing understanding, and making changes. (YDS)