Details an activity in which students create and study miniature impact craters in the classroom. Engages students in making detailed, meaningful observations, drawing inferences, reaching conclusions based on scientific evidence, and designing experiments to test selected variables. (DDR)

This study compares inservice (n=30) and preservice (n=30) earth and space science teachers on general mental abilities, content knowledge, Gagnean levels of content knowledge, and procedural knowledge in solving earth and space science problems. Results support Norman's theory of learning that inservice teachers function at the tuning mode of…

Presents instructional strategies for teaching middle school students about time zones and why the earth experiences night and day. Provides instructions for helping students make and use sextants and sun dials. Describes class activities and student-teacher dialogue. (CFR)

As a result of declining scores, the National Science Foundation has funded numerous materials-development grants. Largest among these is the Interactive Media Science (IMS) Project at Florida State University (FSU) in Tallahassee. This project's mandate is to design, develop, and produce six level III interactive videodisc programs for middle…