How High Is It? A Educator's Guide with Activities Focused on Scale Models of Distances Activities in this NASA educator guide can be used to help students better visualize where satellites, spacecraft, aircraft and other NASA vehicles orbit or operate with respect to the layers of the atmosphere. Download the units (all files are PDF): Download the How High Is It? GameCards (8 color pages - 2.3 MB) Download the entire How High Is It? (100 pages - 3 MB) or download the sections you want below... Introductory Materials (pdf - 520K) Acknowledgments Table of Contents Introduction How to Use This Guide National Education Standards Master Materials List Introductory Activities (pdf - 172K) KWL Chart Ball and String Earth-Moon Model Activity Earth-Moon Model Worksheet Teacher Facts: The Mathematics Behind the Ball and String Model Core Activities (pdf - 1.4 MB) How High Is It? Activity How High Is It? Worksheet Altitude Chart Atmospheric Layers Tables NASA Vehicles Template NASA Vehicle Altitudes Tables Layers of the Atmosphere Activity Layers of the Atmosphere Worksheet Teacher Facts: Layers of the Atmosphere Altitude Walk Activity Altitude Walk Worksheet, Part 1 Altitude Walk Worksheet, Part 2 Teacher Facts: Up in the Atmosphere Activity/Assessment (pdf - 1.1 MB) Satellite Swap Game Satellite Swap Handout Teacher Facts: NASA Enterprises Worksheet 1: Math Challenge Problems Worksheet 2: Continental U.S. Map Model Map of the Continental United States Map of the Continental United States Answer Key Worksheet 3: Models, Scales, and Distance Supplimentary Information (pdf - 156K) How High Is It Web Sites NASA Resources for Educators   Last modified by Nathan Smith - 17 July 2002