CTET 2 Social and Science Dec 2018 Paper

Lunar eclipse occur when the moon passes directly behind Earth into its shadow. This can occur only when sun, earth and moon are exactly or very closely aligned with between the two. Solar eclipse, an eclipse in which the sun is obscured by the moon. It occur when the moon passes in direct line between the earth and the sun and third quarters of the moon, when there is least difference between high tide and low fide. Spring tides: A tide just after a new of full moon when there is a greatest difference between high and low water.