Lieder Our Environment: Threats and protection, Interactive CD ROM

CD-ROM for interactive learning and teaching in school and education Comprises a great variety of beautiful diagrams color photos tables anatomical pictures electron and X-ray photographs impressive life cycles human photographs landscape photographs scenes test data and results A “virtual microscope” can be used for 3-5 different enlargements Identification of important structures and explanatory texts A special test program to check the students’ knowledge in several levels of difficulty