Eclipses. Utility of the presentation. This presentation is to show how eclipses occur. As, it is not possible to show the occurrences of eclipses in the classroom. So it is a unique opportunity to see and comprehend ( with the help of different slides presentation) eclipses. Objectives.
The earth and the moon are both opaque objects. They revolve around the sun(a light source). When the sunlight is obstructed by these bodies, shadows are formed. These are called ECLIPSES.
Inthe course of its revolution around the earth, the moon comes between the sun and the earth. The moon blocks a part of the light from the sun. This happens on a new moon day. The shadow of the moon falls on the earth.
2. Lunar Eclipse.
During a full moon day, the earth comes between the sun and the moon. On such a day when all the three bodies are exactly aligned, the earth casts its shadow on the moon. This causes a LUNAR ECLIPSE.