| A | MOON AND PHASES | 
           
            | A-1 | Predicting Phases and Features | 
           
            | A-2 | Observing Phases and Features | 
           
            | A-3 | Modeling Moon Phases | 
           
            | A-4 | Modeling Eclipses | 
           
            |  | 
           
            | B | SUN AND SEASONS | 
           
            | B-1 | The Sun | 
           
            | B-2 | Observing the Sun Safely | 
           
            | B-3 | Observing Where the Sun Sets | 
           
            | B-4 | Sunrises at Stonehenge | 
           
            | B-5 | The Reasons for Seasons | 
           
            | B-6 | Making Pictures of Motion | 
           
            | B-7 | Making a Sun Clock | 
           
            | B-8 | Plotting the Apparent Daily Motion of the Sun | 
           
            | B-9 | Solar Motion Detector | 
           
            | B-10 | Modeling the Reasons for Seasons | 
           
            |  | 
           
            | C | THE PLANETS | 
           
            | C-1 | The Earth's Shape and Gravity | 
           
            | C-2 | What Shape is the Earth? | 
           
            | C-3 | How Big is the Earth? | 
           
            | C-4 | Observing a Planet | 
           
            | C-5 | Staying Up While Falling Down | 
           
            | C-6 | Morning Star and Evening Star | 
           
            | C-7 | Venus Topography Box | 
           
            | C-8 | Martian Canals | 
           
            | C-9 | Planet Picking | 
           
            | C-10 | Solar System Bingo | 
           
            | C-11 | Can You Planet? | 
           
            | C-12 | How High Can You Jump on Another Planet? | 
           
            |  | 
           
            | D | SCALE OF THE SOLAR SYSTEM | 
           
            | D-1 | A Question of Scale | 
           
            | D-2 | 3-D Model of the Earth and Moon | 
           
            | D-3 | How Big is the Moon? | 
           
            | D-4 | Finding the Size of the Sun and Moon | 
           
            | D-5 | Solar System Scale Model Scaled to Your Room | 
           
            | D-6 | Toilet Paper Solar System Scale Model | 
           
            | D-7 | The Thousand Yard Model | 
           
            | D-8 | Extraterrestial Excursions | 
           
            | D-9 | Time Traveler | 
           
            |  | 
           
            | E | COMETS AND METEORS | 
           
            | E-1 | Experimenting with Craters | 
           
            | E-2 | Make a Model Comet | 
           
            | E-3 | Making a Comet in the Classroom | 
           
            | E-4 | Make a Comet Motion Flip Book | 
           
            |  | 
           
            | F | STAR-FINDING AND CONSTELLATIONS | 
           
            | F-1 | Looking Up: Observing the Nighttime Sky with the Unaided Eye | 
           
            | F-2 | Locating the Big Dipper | 
           
            | F-3 | Star Clocks | 
           
            | F-4 | What's Your Latitude | 
           
            | F-5 | Star Finding with a Star Finder | 
           
            | F-6 | Star Frames | 
           
            | F-7 | Creating Constellations | 
           
            | F-8 | Three Dimensional Constellations | 
           
            |  | 
           
            | G | STARS | 
           
            | G-1 | Compare the Sizes of Stars | 
           
            | G-2 | Among the Stars | 
           
            | G-3 | Investigating Types of Stars | 
           
            |  | 
           
            | H | GALAXIES AND THE UNIVERSE | 
           
            | H-1 | Your Galactic Address | 
           
            | H-2 | Cosmic Calendar and Time Line Scale Model of the Age of the Earth | 
           
            | H-3 | How many Stars? | 
           
            | H-4 | A Ballooning Universe | 
           
            | H-5 | The Expanding Universe | 
           
            | H-6 | Visualizing the Expansion of Space | 
           
            |  | 
           
            | I | SPACE EXPLORATION AND SETI | 
           
            | I-1 | Designing a Planetary Probe | 
           
            | I-2 | Decoding and Extraterrestial Message | 
           
            | I-3 | Pack Up for a Trip to the Moon | 
           
            | I-4 | Building a Lunar Settlement | 
           
            | I-5 | Hello Out There: Message From Space | 
           
            | I-6 | Invent an Alien | 
           
            |  | 
           
            | J | TOOLS OF THE ASTRONOMER | 
           
            | J-1 | Making Measurements of Objects in the Sky | 
           
            | J-2 | Parallax - How Far Is It? | 
           
            | J-3 | Hello Out There! | 
           
            | J-4 | Light and Color - Activities from the FOSTER Project | 
           
            | J-5 | Seeing the Invisible: Studying Infrared and Ultraviolet Radiation | 
           
            | J-6 | Infrared Light | 
           
            | J-7 | Spectroscopes and Spectrometers | 
           
            | J-8 | Light Collecting Model | 
           
            | J-9 | What Makes Good Viewing? | 
           
            | J-10 | Building an Optical Telescope; Making a Simple "Parabolic" Reflector | 
           
            |  | 
           
            | K | DEBUNKING PSEUDOSCIENCE | 
           
            | K-1 | What's Your Sign? | 
           
            | K-2 | Activities about Astrology | 
           
            | K-3 | UFO Detective | 
           
            |  | 
           
            | L | ASTRONOMY IN DIFFERENT CULTURES | 
           
            | L-1 | Create A Constellation | 
           
            | L-2 | Stories in the Stars | 
           
            | L-3 | Ancient Models of the World | 
           
            | L-4 | The Astronomical Tourist: An Activity about What and Where in 
                the World to Visit | 
           
            | L-5 | Teaching with Stories and Symbols | 
           
            |  | 
           
            | M | ACROSS THE CURRICULUM | 
           
            | M-1 | Who Was Right? | 
           
            | M-2 | The Twelve Tourist Wonders of the Solar System | 
           
            | M-3 | Astronomy in the Marketplace | 
           
            | M-4 | Finding the Music of the Spheres: Astronomy in Music | 
           
            | M-5 | Women in Astronomy: Some Activities to Get Students Thinking | 
           
            | M-6 | Picturing an Astronomer | 
                       
            | M-7 | Puzzling Space Collection | 
           
            | 
 
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