THIS WORKBOOK WAS DEVELOPED IN A CURRICULUM PROJECT DESCRIBED IN VT 004 454, TO HELP YOUNG PEOPLE LEARN BASIC PRINCIPLES AND CONCEPTS OF MECHANICS AND TECHNOLOGY BY PROVIDING EXERCISES SIMILAR TO THOSE IN APTITUDE TESTS, EXPLANATIONS OF THE UNDERLYING PRINCIPLES, AND THE CORRECT ANSWERS. IT IS THE SECOND OF FOUR BOOKS WHICH PRESENT 30 EXERCISES WHICH WERE DESIGNED FOR 30 CLASS PERIODS. INFORMATION COVERS ABSTRACT REASONING AND TWO- AND THREE-DIMENSIONAL VISUALIZATION AS IT RELATES TO BASIC MECHANICS AND ELECTRICITY. THE EXERCISES ARE MULTIPLE CHOICE QUESTIONS, LINE DRAWINGS, AND NUMBER SERIES. ANSWERS AND A BRIEF EXPLANATION IN SUPPORT OF THE CORRECT ANSWERS ARE IN THE BACK OF THE BOOK. OTHER RELATED DOCUMENTS ARE VT 004 455 THROUGH VT 004 471. (EM)