Provided is a perspective on the teaching of a unit on the Earth in space. The themes to be found within the unit, approaches and resources that can be used for teaching and learning the subject, and some of the typical ideas that children hold about astronomical subjects are provided. (KR)

Examined is the wide range of statements of attainment in the National Curriculum that start with the phrase "be able to." A categorization of these statements is used to provide signposts for effective teaching and learning. The implications for in-service work and assessment arising from this categorization are considered. (KR)

Compared are the levels of attainment for the Science in the National Curriculum assessment in Great Britain in 1989 and the performance of students on the application of science concepts part of the Assessment of Performance Unit-Science carried out in 1980-84. (KR)