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Length of a Day: Altitude of the sun, ecliptic & rotation of the earth (iStage 1)


In this teaching unit students measure or calculate the time of sunrise and sunset on a given day as well as the length of that day, and design the graphical representation of the heights of the sun on the horizon throughout the day. Students can also keep tabs with the data obtained for one day, then repeat the calculations for another day and compare the two. Students of this unit should be between 15 and 18 years old as prior knowledge of trigonometry and astronomy is needed.

Please find the additional material mentioned in the text below. The project is taken from the brochure ‘iStage: ICT in Science Teaching’ from the unit ‘From Bicycle to Space’.

You can order the complete brochure in print (mail to or download it here. The material has been developed by 22 teachers from 15 countries. The project has been supported by SAP.
Please find additional material for this teaching unit here.

Authors: Cristina Viñas Viñuales (ES), Ederlinda Viñuales Gavín (ES) | Ed. Science on Stage Deutschland e.V. | License: Creative Commons

iStage 1 - Length of Day
iStage 1 - Die Länge des Tages
iStage 1 - Duree du Jour
iStage 1 - Jak długi jest dzień
iStage 1 - Lungimea zilei
iStage 1 - Dolžina dneva
iStage 1 - A nap hossza

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