Here are some of the important differences between the first and second editions of all Apologia Science textbooks.

Dr. Wile has been answering student questions on each of these courses for seven years or more. Those questions have allowed him to realize what sections of the books could be written more clearly. Thus, these editions of our courses are even more understandable than the first editions!

The student text has graphic icons that tell the student when there is a related multimedia presentation on the optional companion CD.

There are course websites that have links to materials which provide extra help as well as interesting news related to each field.

There are cumulative tests in the solutions and tests manual if the parent/teacher wants to give the student quarterly, semester, or final exams.

The tests in the solutions and tests manual contain a point system that aids the parent/teacher in grading the tests.

Finally, even though the module tests are found in the solutions and tests manual (so that the parent/teacher always has a copy of them), a second set of tests is also provided in a perforated booklet. This will allow the student to be given the tests without referring to the solutions and tests manual.

PLEASE NOTE: Because of the differences between the first and second editions, students in a group setting cannot use both. They must all have the same edition. Because of this, the first edition of the course will still be available for those in schools or support groups that use the first edition.

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