Charles H. Heimler

Focus on life science

Focus on Life Science (A Merrill Science Program)

Focus on physical science

Focus on life science

Measurement and motion

Focus on physical science

Heat, light, and sound

Principles of science

La materia y la energía, ciena

Los seres vivientes, ciencia 7

Principles of science (Merrill science program)

Properties of matter

Focus on earth science

Life science: Activity-centered program : teacher's guide

Focus on physical science

Reproduction and Heredity (Focus on science)

Changes in Matter (Focus on science)

Electrical and Nuclear Energy (Focus on science)

Human Biology (Focus on science)