What causes day and night? Why are they of different lengths in different places on Earth?
Students consider the Earth’s place in space and investigate what has to happen for us to experience day and night. Some students may be able to extend their conceptual understanding by relating the differing length of daylight and night at different places on Earth to the tilt of the Earth’s axis. Students record observations of the position of stars during the night and apply their science knowledge and understanding to explain why the stars seem to move across the night sky. Students investigate aspects of the work of Australian astronomers and other scientists and how this has contributed to science knowledge in the field of astronomy. When planning this unit, it may be useful to incorporate ideas and strategies from The Science Continuum P-10 critical teaching idea Day and Night.
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- What causes day and night? Why are they of different lengths in different places on Earth?
