This is an activity about comets. Depending on the grade level of learners, either the instructor or the learners will construct a model comet using dry ice, ammonia, dirt, corn syrup, and water. This is Activity E-2 of Universe at Your Fingertips... (View More) 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which is available for purchase. (View Less)

This paper model shows the orbit of Comet ISON (late 2013) with respect to the innermost planets of the solar system. After reading background information about comets - how they form and where they come from - students cut out and tape together the... (View More) pieces of the model provided to show its orbital pathway (a single page of parts that can be assembled using just scissors and adhesive). Links are provided to related classroom activities and additional resources. (View Less)

This is an activity about comets. Depending on the grade level of learners, either the instructor or the learners will construct a model comet using dry ice, ammonia, dirt, corn syrup, and water. This is Actividad 5.3 as part of El Universo a Sus... (View More) Pies, a Spanish-language curriculum, available for purchase. (View Less)

This is an activity about size and scale. Learners will use cotton bails, glue, and other common materials to produce a scale model of the coma and tail of Halley's Comet. This is Activity E-1 of Universe at Your Fingertips 2.0: A Collection of... (View More) Activities and Resources for Teaching Astronomy DVD-ROM, which is available for purchase. (View Less)

This is an activity about size and scale. Learners will use cotton bails, glue, and other common materials to produce a scale model of the coma and tail of Halley's Comet. This is Actividad 5.2 as part of El Universo a Sus Pies, a Spanish-language... (View More) curriculum, available for purchase. (View Less)