Describes the present distribution of solar energy, traces its use through history, explores its potential utilization in the future, and presents the effects of the use of solar energy on pollution. (GS)

Describes an experiment that allows the students to verify the assumption that light travels in straight lines. (GS)

Chemistry 30 is a twelfth-grade chemistry course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during January 1985, it contains 56 multiple-choice questions and three written-response problems. Two-and-one-half hours are allowed for completing the test. No answer key is included since…

Chemistry 30 is a twelfth-grade chemistry course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during June 1985, it contains 56 multiple-choice questions and three written-response problems. Two-and-one-half hours are allowed for completing the test. No answer key is included since…

Biology 30 is a twelfth-grade biology course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during January 1985, it contains 80 multiple-choice questions and seven written-response problems. Two-and-one-half hours are allowed for completing the test. No answer key is included since…

Biology 30 is a twelfth-grade biology course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during June 1985, it contains 80 multiple-choice questions and six written-response problems. Two-and-one-half hours are allowed for completing the test. No answer key is included since scoring is…

Physics 30 is a twelfth-grade physics course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during January 1985, it contains 56 multiple-choice questions and four written-response problems. Two-and-one-half hours are allowed for completing the test. No answer key is included since scoring…

Physics 30 is a twelfth-grade physics course for students in Alberta, Canada. This document is a final test for the course. Intended for administration during June 1985, it contains 56 multiple-choice questions and three written-response problems. Two-and-one-half hours are allowed for completing the test. No answer key is included since scoring…

Some general information on stars is provided in this National Aeronautics and Space Administration pamphlet. Topic areas briefly discussed are: (1) the birth of a star; (2) main sequence stars; (3) red giants; (4) white dwarfs; (5) neutron stars; (6) supernovae; (7) pulsars; and (8) black holes. (JN)

The role of spectral color slides in laboratory situations is discussed, then experiments for secondary school students concerning color and wave length, evidence of quantization, and the ionization energy of the hydrogen atom are outlined. Teaching guidelines for creating a set of spectrograms and photographic specifications are provided. (DT)

Describes an experimental "accident" that resulted in much student learning, seeks help in the identification of nematodes, and suggests biology teachers introduce similar accidents into their teaching to stimulate student interest. (PEB)