Describes a method to trace the reflection of a light ray incident on a pair of mirrors hinged together along one edge. Can be extended to ray tracing through tubes, cones, and prisms. (JRH)

Discusses the occurrence of eclipses and eclipse observation. (JRH)

Describes the Super Science Sleep-Over, a slumber party held at an elementary school centered around a "Kaleidoscope of Science" theme. Discusses 10 steps to organize a science sleep-over including surveying interest, recruiting instructors, developing a schedule, registering students, assigning jobs, details, the program, designing an evaluation,…

Presents tips and suggestions for parents that can make a family nature walk more rewarding and help parents encourage their children to look closer at the natural world. (JRH)

Discusses the structure and polarity of the water molecule. Presents activities and demonstrations to illustrate these concepts. (Author/JRH)

Presents a simple experiment involving the sense of smell that students can accomplish during a lecture. Illustrates the important concepts of equilibrium along with the acid/base properties of various ions. (JRH)

Discusses discrepant events designed as a demonstration to present a situation or phenomenon that has an unexpected and sometimes very surprising outcome. Presents ways of developing science lessons linking discrepant events with the learning cycle as an example. (ASK)

Discusses a science fair project with a diverse group of K-2 urban school students. Students experienced the purpose and procedure for a scientific investigation, although they learned in different ways and at different rates. (ASK)

This activity takes students through the process of fermentation. Requires an entire month for the full reaction to take place. The reaction, catalyzed by bacterial enzymes, produces lactic acid from glucose. (SAH)

Presents an opportunity for students to become better acquainted with inventors and their work, examine past discoveries, and pursue new ideas. (ASK)

Discusses the biodiversity crisis. Presents a simple invention to examine and photograph fish. (ASK)

Presents an activity that uses chenille stems, colored yarn, plastic straws, and ingenuity to make a low-cost manipulative kit for modeling mitosis and meiosis. (ASK)

Describes a method for teaching about DNA using looped cereals. Outlines the procedure and concept in detail. Presents several possible concepts that allow the instructor to choose what is the most appropriate for students. (SAH)

Describes a method for working with Coomassie Blue to analyze banding patterns of purified eukaryotic cell membrane proteins. (SAH)

Presents strategies to use rainsticks with middle grade students. Teaches scientific inquiry using a rainstick activity that challenges students to explore posing, probing, and persuasion and represents the National Science Standards. Allows for the integration of different disciplines. Provides instructions on how to make a rainstick. (YDS)