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**Earth and space science**

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The 9-session NASA Family Science Night program invites middle school children and their families to discover the wide variety of science, technology, engineering, and mathematics being performed at NASA and in everyday life. Family Science Night... (View More) programs explore various themes on the Sun, the Moon, the Stars, and the Universe through fun, hands-on activities, including at-home experiments. Information about Family Science Night implementation and support resources, including the facilitator's guide, are available by registering on the Family Science Night Facilitators website (see Related & Supplemental Resources for link). (View Less)

In this activity, students use mathematics to understand tides and gravitation and how gravity works across astronomical distances, using an apparatus made from a slinky, meter stick, and a hook. A description of the mathematical relationships seen... (View More) in the demonstration is included. The resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

In this activity, students compute the strengths of the gravitational forces exerted on the Moon by the Sun and by the Earth, and demonstrate the actual shape of the Moon's orbit around the Sun. The lesson begins with students' assumptions about the... (View More) motions of the Moon about the Earth and the Earth about the Sun, and then test their understanding using an experimental apparatus made from a cardboard or plywood disk and rope. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

This lesson addresses the common student misconception that the Earth is closer to the Sun during the summer in the Northern Hemisphere. This lesson encourages students to voice this misconception at the beginning of the lesson and then attempts to... (View More) correct it-first, by exploring the reason for it, and then by presenting an alternate explanation. Materials needed for the demonstration include a small globe and a desk lamp for each group of students, a large ball, and overhead transparency. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

This is a kinesthetic activity about the rotation of the Moon. Learners act out the rotation and revolution motions of Moon around the Earth to illustrate that the Moon rotates once in the same amount of time as it orbits the Earth once, called... (View More) synchronous rotation. This is Actividad 1.5 of the Spanish-language El Universo as sus Pies, which is available for purchase. (View Less)

This is an activity about the size and scale of the Sun-Earth system. Learners will take an imaginary trip to the Sun by comparing images of the Sun and Earth at different points in altitude above the Earth. This is to ultimately conceptualize the... (View More) spherical shape of the Earth, which is key to understanding the cause of the seasons. They will then produce a scale model of the Sun and Earth to reinforce the idea that the distance to the Sun is enormous compared with the size of the Earth. Finally, learners reflect on Question 3 of the Sun-Earth Survey, which is the prior activity in this set. This is Activity 3 in the Great Explorations in Math and Science (GEMS) guide titled Real Reasons for Seasons: Sun-Earth Connections. An additional related activity, entitled Scale Models of the Earth-Moon System and the Solar System, is included in the CD-ROM enclosed with the resource guide. The resource guide is available for purchase from the Lawrence Hall of Science. This activity recommends use of an overhead projector, and requires use of a small scale model toy, such as a car or any other toy made to scale, and a rigid globe or large ball like a soccer ball or basketball. (View Less)