Keywords: Lunar eclipse – Earth’s shadow – Moon – Sun

Keywords: Solar eclipse – Moon – Shadow – Sun – Alignment

The solar systemKeywords (English): solar system – planets – sun – orbit – space

What is the reason for the occurrence of night and day?day and night – Earth’s rotation – sun – shadow – time

Keywords: Seasons – Summer – Winter – Autumn – Spring – Earth’s tilt

Keywords: Sky – Sun – Moon – Stars – Clouds

Keywords: Sky – Stars – Planets – Clouds – Airplanes

Objective: To study the effect of the angle of incidence of light on the area of its spread and light intensity, and relate this to the occurrence of the four seasons.Materials: Lamp – squared paper – ruler or measuring tapeProcedure: Place the lamp vertically at a distance of 5 cm from the paper (a......