![]() Students’ preconceptions should be identified and then their understanding should be guided and developed through discussion and hands-on activities. In this way the research is more directed and not simply a fact finding exercise. They should then be guided to develop their own questions to research and explore. These observations can be made during the day as well as at night. Students should be encouraged to make use of observable features of astronomy. Students are often interested and highly motivated to learn about ideas about space and care must be taken to avoid the overuse of library and internet sources and to ensure that students are engaged and thinking about secondary sources of information. At any one time half of the Earth’s sphere is in sunlight (day) while the other half is in darkness (night).Įxplore the relationships between ideas about day and night in theĬoncept Development Maps - (Gravity, Stars, Solar System).An Earth day is 24 hours because the Earth spins on its axis once every 24 hours.The Earth and sun are part of the solar system, with the sun at its centre.The Earth is a sphere and the sun is a star and produces light.The term ‘one day’ is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time. Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The Earth orbits the sun once every 365 days and rotates about its axis once every 24 hours. ![]() The Earth is essentially a sphere and the sun is a nearby star which is an unimaginably large ball of gas that radiates light and heat as products of nuclear reactions. The Earth is one of several planets that orbit the sun, and the moon orbits the Earth. These views are also evident in and related to the focus idea
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