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This article explains the role of the tilt of Earth's axis on seasonal changes. An accompanying exploration dispels the commonly held misconception that distances between the sun and Earth are a factor. The article is targeted to children ages 10-12.
in this illustrated story, students learn about seasonal migration of hummingbirds as they are exposed to the scientific process. Students Anita, Simon and Dennis and the rest of Ms. Patel's class research when the hummingbirds have gone and when... (View More) they might return. This science-based storybook is the one of four under the title Elementary GLOBE; each book also has companion learning activities that complement the science covered in each story. GLOBE (Global Learning and Observation to Benefit the Environment) is a worldwide, hands-on, K-12 school-based science education program. (View Less)
This worksheet provides a pair of satellite world maps, showing vegetation in January and July, and has a series of questions guiding exploration of the similarities and differences in the two images. The activity is from Space Update, a collection... (View More) of multimedia educational resources about the Earth and Space. Summary background information, data and images supporting the activity are available on the Earth Update data site. (View Less)
This is a resource that explains the rationale behind the multiple time zone divisions in the United States. Learners will work through a problem set to practice calculating the time in one time zone, given the time in another time zone. This is... (View More) activity 9 from the educator guide, Exploring Magnetism: Magnetic Mysteries of the Aurora. (View Less)
The purpose of this kinesthetic activity is for students to learn the relative motions of the Earth, Sun and Moon. Awareness of these different motions is needed to develop an understanding of the causes of the day/night cycle, the seasons and the... (View More) cycle of lunar phases. 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)