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	570   Directed Inquiry Explore How can water be absorbed? 572   How to Read Science Sequence 573     You Are There! 574      Lesson 1 What is technology? 575      Lesson 2 How has technology changed transportation? 580      Lesson 3 How have computers changed society? 584      Lesson 4 What technology is used in space? 588   Guided Inquiry Investigate How do space probes send images to Earth? 592      Map Scale and Topographic Maps 594     Chapter 18 Review and Test Prep 596    Everyday Uses of NASA Technology 598    Mathematician/Computer Scientist 600     Unit D Test Talk 601      Unit D Wrap-Up 602   Full Inquiry Experiment Which writing tool might work best in space? 604     Science Fair Projects A Solar Cooker Model; Counting Stars; Catching Rays 608       FCAT Test Prep dfcat 1