Discusses the difficulty of explaining the concept of entropy, and provides exercises, experiments, and discussions concerning entropy. (MLH)

Described are five physics experiments utilizing inexpensive, readily available materials or materials normally found in a physics laboratory. Included are investigations of electrical charge, sound detection, thermal expansion, doppler effects, and the cycloid. (SL)

Described are factors to be considered in planning, constructing, and running a learning center. Three different types of learning centers based upon the overall objective of the centers, are described. (SL)

Discussed is a Doppler shift laboratory experiment for an introductory college physics course. Ultrasonic transducers and a digital phase detector circuit "black box" are used to overcome room noise and "standing waves" and to produce an observable frequency shift. (SL)

Describes high school physics projects for investigating road safety problems. Includes diagrams of laboratory apparatus and explanations of experiments. (CS)

Describes an earth science laboratory approach designed to involve students in an ongoing method of solving problems; student questions and discussion provide the basis for laboratory exercises. (Author/SL)

Presented are two science demonstration projects: (1) the simulation of a magnetic survey utilizing a bar magnet buried in a sand box and (2) an investigation of the reaction between lead nitrate and sodium hydroxide. (SL)

Described is a technique for inducing curiosity in students through conceptual conflicts due to contradiction. A case study involving the evolution of atomic structure theory is provided. (SL)

Described are activities involving interpreting tracks in snow to determine under what conditions the tracks were made and what made the tracks. (SL)

Described is a kit of 16 commonly available basic elements and several activities and experiments that can be conducted to investigate the properties of the various elements. (SL)

This booklet presents some activities on chromatography. Directions for preparing leaf pigment extracts using alcohol are given, and paper chromatography and thin-layer chromatography are described as modifications of the basic principles of chromatography. (KHR)

This CD-ROM describes how science can be used in schools to show that students can be excited and engaged in science and how science can be integrated into other disciplines. Science Year is a 12-month packed calendar of events, projects and resources, designed to stimulate the imagination about science and technology. Activities include the…

The human genome project started in 1989 with the collaboration of the National Institutes of Health (NIH) and the U.S. Department of Energy (DOE). This document aims to develop an understanding among students of the human genome project and relevant issues. Topics include the science and technology of the human genome project, and the ethical and…

This teacher guide includes activity information for the program NOVA, Fall 2001. Background for each activity is provided along with its correlation to the national science standards. Activities include: (1) "Search for a Safe Cigarette"; (2) "18 Ways To Make a Baby"; (3) "Secrets of Mind"; (4) "Neanderthals on…

This family activity book provides information for discovering and demonstrating the science of fire--how firefighters decide which fires to let burn and which to put out, how fires start and spread, and what to do when they flare up. Chapters include: (1) "A Game about Wildfire"; (2) "Create a Fire Safety Commercial"; (3)…