Water falls

 🔹 Meaning

A waterfall is a place where a river or stream flows over a steep edge or cliff and falls downward due to gravity.

🔹 How Waterfalls are Formed

Formed by erosion of rocks

Hard rock resists erosion, soft rock erodes faster

Over time, this creates a steep drop

Continuous flow of water maintains the waterfall

🔹 Types of Waterfalls

Plunge waterfall – Water falls freely (e.g., Angel Falls)

Horsetail waterfall – Water maintains contact with rock

Tiered waterfall – Falls in steps

Cascade – Series of small waterfalls

🔹 Famous Waterfalls in the World

Angel Falls (Venezuela) – World’s highest waterfall

Niagara Falls (USA–Canada) – Most famous and powerful

Victoria Falls (Africa) – Largest sheet of falling water

🔹 Famous Waterfalls in India

Jog Falls – Karnataka (highest in India)

Dudhsagar Falls – Goa

Athirappilly Falls – Kerala

Courtallam Falls – Tamil Nadu

🔹 Importance of Waterfalls

Source of hydroelectric power

Support tourism

Help in soil fertility

Natural beauty and ecosystem support

🔹 Short Exam Answer (5 lines)

A waterfall is formed when a river flows over a steep edge due to erosion. It usually occurs in hilly or mountainous regions. Waterfalls are important for hydroelectric power and tourism. They also help maintain ecological balance.