The energy on the Earth is from the Sun, so this Chapter explains how we can make full use of the solar heat in winter and avoid the heat in summer. It involves the knowledge of Earth Science at high school level. It's Chapter 1 in the series, Living with the Sun: Encounter Science with Everyday Life.
1- Energy proportion in residential building
2- Solar radiation in summer and winter
3- Solar radiation passing through the atmosphere
4- House gains solar energy in both summer and winter
5- Solar altitude and azimuth angle
6- Window Shades
7- Solar heat stored by thermal mass and then transfer to the air