Describes a take-home experiment in which students measure the diffusion of acid through acid-filled capillary tubes immersed into base solutions and vice versa. Students represent and analyze the effects of ambient temperature, molecular weight, and concentrations of the solutions on that movement. (MDH)

Presents 5 school and home activities for the K-2, 3-4, 5-6, and 7-8 levels appropriate for beginning the school year that incorporate problem solving, collecting and analyzing data, and exploring patterns. Topics include a shopping spree, seat assignment, map-interpretation skills, and probability. Includes reproducible worksheets. (MDH)

Examines long-term effects of two types of practice task on low-proficiency English-as-a-foreign-language writing. Two classes of freshmen at a Japanese women's college were assigned homework tasks based on picture stories. Results showed that low-proficiency students can improve their writing proficiency more by writing out picture stories than…