Introduces a role playing activity that actively engages students in the learning process of mitosis. Students play either chromosomes carrying information, or cells in the cell membrane. (Contains 11 references.) (Author/YDS)

Presents activities for use during and after nature walks to help young children learn about trees. (PR)

Presents two activities designed to show students some interesting characteristics of weeds. (PR)

Presents simple outdoor activities to show students some characteristics of grasses. (PR)

Explains the scanning, tunneling microscope and its use in high school science instruction. (PR)

Outlines benefits of integrating optical instruments in computer-based instructional systems in a science classroom including budget, immediacy, pictorial records, and graphic enhancement. Presents examples of investigative activities involving optical instruments and images digitized for computer-based manipulation. (JRH)

Presents an activity where students are gently guided through the stages of scientific investigation as they work on the problem of extracting salt from a simulated ore sample. (JRH)

Provides rich background information about unique High Plains ecosystems. Focuses on water, plant, animal, and energy resources. Describes hands-on activities related to ground water movement and energy resources. Contains 18 references. (DDR)

Describes the Evening Science program, a science enrichment program for K-6 students and their parents where students and parents engage in problem-solving activities that encourage science learning for the whole family. (JRH)

Describes a unit that gives students an opportunity to write while actively exploring the scientific concept of magnetism. Provides students with a framework for recording their learning and gives teachers a method for observing how well students actually understand and can apply the knowledge they acquire. (JRH)

Presents an activity that introduces the historical developments in science that led to the discovery of the periodic table and lets students experience scientific discovery firsthand. Enables students to learn about patterns among the elements and experience how scientists analyze data to discover patterns and build models. (JRH)

Presents science investigations that involve some challenging mathematics related to proportional reasoning. Can be embedded in thematic, interdisciplinary units to reinforce understanding of specific proportions, provide practice in proportional thinking, or assess abilities in solving problems that involve proportions. (JRH)

Describes an early childhood educator's approach to teaching children about rain, rainbows, clouds, precipitation, the sun, air, and wind. Recommends ways to organize study topics and describes experiments that can help children better understand the different elements of weather. (MOK)

Recommends engaging students, including English language learners who do not have enough English proficiency, for a better understanding of scientific knowledge. Presents the case of three immigrant students involved in laboratory activities. Provides information on how to incorporate personal narratives into teaching. Explains using strategies…

Introduces the Meteor Scatter Project (MSP) in which high school students build an automated meteor observatory and learn to monitor meteor activity. Involves students in activities such as radio frequency survey, antenna design, antenna construction, manual meteor counts, and computer board configuration and installation. (YDS)