Describes some of the characteristics of the common harvestmen, or daddy longlegs, and the true spider. Provides information on harvestmen's habitats and life cycles and includes tips on housing and observing these organisms in science classrooms. (TW)

Encourages teachers to take advantage of the natural curiosity of young children in enhancing their interest in science. Describes four simple activities involving water, living and non-living things, air pollution, and food. (TW)

Describes a hands-on lesson in magnetism designed to be used with upper elementary grade students. Emphasizes structured experiences which involve the student in measuring, data collecting, graphing, and extrapolating information. (TW)

Describes the use of a microcomputer-based laboratory (MBL) in teaching the concepts of heat and temperature to eighth grade students. Discusses the advantages of being able to instantly display the results of their experimentation with the use of temperature and light probes, and heat pulsors. (TW)

Provides some teaching tips for elementary teachers that are designed to enhance the natural interests of young children in science and help equip them with important science processing skills. Contains activities related to observation, classification, measurement, and communication. (TW)

Discusses some of the ways that a cabbage can be used to produce a universal indicator of pH. Describes the methods for producing the indicator, experiments students can do on ordinary household chemicals, and a student take-home assignment for producing pH indicators. (TW)

Describes the habitats and life cycles of newts. Provides tips on collecting and caring for newts, along with suggestions for observational lessons related to the collection, study, and release of these organisms. (TW)

Describes a magic show designed to encourage young children in physics and chemistry. Discusses how a little "razzle-dazzle" can effect children positively. Tells how to organize and perform a magic show. Details six tricks that focus on principles of chemistry or physics. (CW)

Describes how a ladybug can be used to teach entomology, natural selection, comparative anatomy, food chains and symbiotic relationships. Focuses on a picturebook entitled "The Grouchy Ladybug" (Eric Carle). Discusses enrichment activities in science, language, social studies, art, and music. (CW)

Describes a lesson in which fifth graders made observations of candles. Discusses the progress of the lesson and the necessity of instructing students in what and how to watch and measure. Stresses that this can be easily accomplished inexpensively with imagination. (CW)

Describes a teaching method that actively involves elementary school children in science lessons by having them teach lessons to their peers. Gives examples of teacher and student strategies. Describes evaluation of the students and student progress with time. Reviews depth of thinking and questioning by students in this activity. (CW)

Describes classroom activities to help children determine cause and relate the changes to the substances being changed. Advocates the use of "change jars" and making daily observations to teach the concepts that certain conditions promote change. Includes ideas using temperature, moisture, rotting, and sprouting to teach the concept of change. (CW)

Presents several classroom ideas to help students understand their relationship to and their place in the universe as well as how difficult it would be to find life beyond Earth. Lists activities for children including the "Map Procedure," the "Model Procedure," and "Good Ol' Sol." (CW)

Describes an activity using a large balloon to help children understand that, even though the horizon appears to be flat, the Earth is, indeed, round. Uses a toy ship to reinforce evidence from the first part of the activity. Stresses the importance of confronting naive theories at an early age. (CW)

Describes a lesson designed to help young students conceptualize cholesterol and its effects on the body. Provides young students with a concrete way to understand how cholesterol builds up in blood vessels and restricts blood flow. Includes a simple illustrative experiment for children to perform themselves. (CW)