Illustrates the basis for misleading statements about the relationship between pH and acid content in acid rain. Explains why pH cannot be used as a measure of acidity for rain or any other solution. Suggests that teachers present acidity and pH as two separate and distinct concepts. (RT)

Assessed is the level of scientific and natural resource knowledge possessed by fourth-, eighth- and eleventh-grade students. Misconceptions are noted. Discussed are implications for teaching about acidic deposition. (CW)

Examines whether young children hold naive conceptions of speed and whether the nature of their concepts could be a causal factor in pedestrian accidents. Finds that children hold a range of beliefs regarding the concept of speed that would place them at risk. (Author/YP)

Those who indiscriminately advise all teens to pursue baccalaureate degrees mistakenly assume that most high school graduates are ready for college-level work, will graduate, will find better jobs, and won't be harmed if they fail. Postsecondary education at the certificate or associate's degree level can lead to rewarding, high-wage occupations…

Examines why a literature-based multicultural curriculum failed to engage students from a predominately white, working-class middle school in the South in discussing racism. Results from an ethnographic study indicate that this failure was primarily the result of dominant mainstream beliefs embedded in the institution of schooling and in the…

A disproportionate number of minorities are going backward, losing hope in the American dream. Bemoaning tribalization and multiculturalism does little to eliminate the economic and educational disparities that fuel them. The appropriate antidote for cultural insularity is a culture of inclusiveness infusing every facet of our society. Economic…

Emphasizes, and illustrates with examples, the importance of taking classroom time to rectify incorrect student thinking by immediately undoing, or unraveling, students' misconceptions, errors, or misapplications. When this process is cultivated without a judgmental attitude on the part of the teacher, students' confidence is inspired and…

Presents results of intensive clinical interviews with 11 high school chemistry students representing a broad range of achievement levels as selected from 180 students who completed a written test upon completion of an instructional unit on chemical change. Results indicate that students commonly experience difficulties in chemical knowledge,…

Describes a method of demonstration and modeling used to improve the science teaching ability of eight elementary teachers. Designed to increase teachers' knowledge of physics, the course documented changes in the teachers' knowledge and practice. Results are discussed in relation to case methods and cognitive-apprenticeship models of training.…

Political conditions have influenced the screen images of U.S. cinema, and the images of African Americans have reflected prevailing social stereotypes. The history of African-American representation in films is traced, and it is noted that the tendency to portray African Americans stereotypically has not changed. (SLD)

Selective illustrative examples of students' learning difficulties and misconceptions in first-year general and organic chemistry are presented in the students' terms, followed by strategies the author uses to overcome the difficulties. Suggests that student misconceptions in first-year chemistry are not interrelated logically and are not prone to…

Provides examples of how concept mapping can be used to help overcome misconceptions in college chemistry. (PR)

Described are lay-ideas which may exist about ionizing radiation, the importance of these ideas for risk management, and the relationships between various lay-ideas. Lay-ideas were used to gain a better insight into the problems of learning about ionizing radiation and to construct appropriate teaching materials and strategies. (KR)

If high- and middle-income parents make disproportionate use of school choice through residential and private school decisions, lower-income parents are more strongly represented in public school choices, many related to desegregation options. Magnet schools and voucher systems benefit those who hear about them. Universal controlled choice has had…

The 1996 National Assessment of Educational Progress math scores for eighth-graders show that when socioeconomic status is considered, English-proficient Asian students have no achievement advantage over other ethnic groups. However, Chinese sixth-graders, using abstract reasoning skills, outperformed American students on 12 open-ended math…