6 Chapter 10TABLE 10-1 Metric PrefixesTABLE 10-2 Common Metric Units and Their AbbreviationsTABLE 10-3 Imperial to Metric ConversionsTABLE 10-4 Taxonomy of Different OrganismsTABLE 10-5 Human Body SystemsTABLE 10-6 Plant Systems and Functions

7 Chapter 11TABLE 11-1 Examples of Chemical FormulasTABLE 11-2 Measurement, SI Base Quantities, and AbbreviationsTABLE 11-3 Measurements, SI Derived Units, and Symbols/AbbreviationsTABLE 11-4 SI versus U.S. Standard Units

8 Chapter 12TABLE 12-1 Layers of Earth’s AtmosphereTABLE 12-2 Types of CloudsTABLE 12-3 Earth’s Geologic ErasTABLE 12-4 The Number of Moons per Planet in Earth’s Solar System

9 Chapter 14TABLE 14-1 Cutting Tools

10 Appendix ATABLE A-1 Army Enlisted Jobs and Required ASVAB ScoresTABLE A-2 Air Force Enlisted Jobs and Required ASVAB ScoresTABLE A-3 Navy Enlisted Jobs and Required ASVAB ScoresTABLE A-4 Marine Corps Enlisted Jobs and Required ASVAB ScoresTABLE A-5 Coast Guard Enlisted Jobs and Required ASVAB Scores

11 Appendix CTABLE C-1 Word RootsTABLE C-2 PrefixesTABLE C-3 Suffixes

List of Illustrations

1 Chapter 1FIGURE 1-1: A sample ASVAB score card used by high school guidance counselors. FIGURE 1-2: A sample ASVAB score card used for military enlistment purposes.

2 Chapter 8FIGURE 8-1: Types of angles. FIGURE 8-2: Vertical angles. FIGURE 8-3: Pairs of angles on parallel lines. FIGURE 8-4: The three basic types of triangles. FIGURE 8-5: The Pythagorean theorem in action. FIGURE 8-6: Types of quadrilaterals. FIGURE 8-7: The parts of a circle. FIGURE 8-8: Combined figures.

3 Chapter 10FIGURE 10-1: The Linnaean taxonomic classification system. FIGURE 10-2: The anatomy of a plant. FIGURE 10-3: Basic structures of plant and animal cells.

4 Chapter 11FIGURE 11-1: The scientific method. FIGURE 11-2: The periodic table. FIGURE 11-3: States of matter. FIGURE 11-4: The pH scale. FIGURE 11-5: A sound wave. FIGURE 11-6: The electromagnetic spectrum.

5 Chapter 12FIGURE 12-1: Earth’s layers. FIGURE 12-2: Types of faults. FIGURE 12-3: The magnetosphere. FIGURE 12-4: The Milky Way galaxy. FIGURE 12-5: Phases of the moon.

6 Chapter 13FIGURE 13-1: A four-stroke engine. FIGURE 13-2: Common cylinder arrangements. FIGURE 13-3: A basic suspension system.

7 Chapter 14FIGURE 14-1: Common measuring tools. FIGURE 14-2: Leveling and squaring tools. FIGURE 14-3: Fastening tools. FIGURE 14-4: Drilling, punching, and gouging tools. FIGURE 14-5: Clamping tools. FIGURE 14-6: Screws and bolts. FIGURE 14-7: Nuts and washers.

8 Chapter 15FIGURE 15-1: An example of action and reaction forces. FIGURE 15-2: An example of tension force. FIGURE 15-3: The concept of elastic recoil. FIGURE 15-4: A simple lever. FIGURE 15-5: Classes of levers. FIGURE 15-6: A pulley used in a block and tackle system. FIGURE 15-7: Reducing effort by using a block and tackle. FIGURE 15-8: Two examples of a block and tackle arrangement. FIGURE 15-9: The motion of gears with an even number of gears aligned in a seri...FIGURE 15-10: The ratio of teeth between two gears affects rotational speed. FIGURE 15-11: Two bevel gears meet at a right angle. FIGURE 15-12: Pulleys rotate in the same direction unless the belt is reversed....FIGURE 15-13: Pulley rotation speed is based on the pulley’s diameter. FIGURE 15-14: A hand drill increases mechanical advantage. FIGURE 15-15: A standard shop vise. FIGURE 15-16: A hydraulic jack.

9 Chapter 16FIGURE 16-1: A helium atom. FIGURE 16-2: A simple electric current. FIGURE 16-3: An open and closed circuit. FIGURE 16-4: Circuits on electrical diagrams. FIGURE 16-5: Symbols in electronic circuit diagrams. FIGURE 16-6: An adjustable timer circuit.

10 Chapter 17FIGURE 17-1: Identifying points and shapes. FIGURE 17-2: Rotated shapes make the problem harder. FIGURE 17-3: Figuring out mirrored shapes (A and B) and rotated shapes. FIGURE 17-4: Line-shape relationships. FIGURE 17-5: Another example of spatial relationships. FIGURE 17-6: More shapes to test your spatial skills. FIGURE 17-7: A simple jigsaw example. FIGURE 17-8: Putting pieces together with rotation. FIGURE 17-9: A harder example of spatial rotation. FIGURE 17-10: Practice mentally rotating and relocating pieces of puzzles. FIGURE 17-11: Putting the pieces of the puzzle together with your mental spatia...