The East Coast is more often affected than the
West Coast due to low pressure from Bay of Bengal.
Why is it so? Does geographical area of the sea
has anything to do with this?                                     8
How do icebergs form?                                             9
Is it true that granites and marbles release small
amounts of nuclear radiation?                                     9
How does earth exhibit magnetic properties?                      10
Why does damp sand hold the shape of castle-shaped
bucket on the beach whereas dry sand just crumbles
away to nothing?                                                 11
Why does sea water not erode coastal areas in all places?        13
Why does rain come in drops and not in a continuos stream?       14
What is meant by cloud burst?                                    15
What causes different types of rain?                             16