🌊 Marine Resources
🔹 What are Marine Resources? Marine resources are natural resources obtained from oceans and seas.They are essential for food, energy, minerals, and trade. 🐟 Types of Marine Resources 1. 🐠 Biological Resources These come from
🪸 Coral Reefs
🔹 What are Coral Reefs? Coral reefs are underwater structures made by tiny marine animals called corals. 👉 Corals secrete calcium carbonate (limestone) which forms hard structures over time. 🌍 Where are Coral Reefs Found?
🌊 Tides (High & Low)
🔹 What are Tides? Tides are the periodic rise and fall of sea level caused mainly by the gravitational pull of the: 👉 The Moon has the strongest effect because it is closer to Earth.
🌊 Ocean Currents (Warm & Cold)
🔹 What are Ocean Currents? Ocean currents are continuous movements of seawater in a specific direction.They are mainly caused by: 🔥 Warm Ocean Currents 🔹 Definition Warm currents flow from equatorial (hot) regions → polar
🌊 Major Oceans (Pacific, Atlantic, Indian Ocean)
1. 🌏 Pacific Ocean 🔹 Key Features 🔹 Important Facts 🔹 Climate & Currents 2. 🌍 Atlantic Ocean 🔹 Key Features 🔹 Important Facts 🔹 Currents 3. 🌏 Indian Ocean 🔹 Key Features 🔹 Important
🌍 CLIMATE ZONES OF THE WORLD
📍 What is Climate? Climate is the long-term average weather condition of a place (temperature, rainfall, humidity, etc.). 🌡️ Major Climate Zones of the World The Earth is broadly divided into three main climate zones
🌧️ MONSOON SYSTEM (INDIA)
📍 What is Monsoon? The word monsoon is derived from the Arabic word “Mausim”, meaning season.It refers to seasonal reversal of winds, especially associated with rainfall. 🌏 Why Monsoon Occurs in India? 🌡️ Main Causes:
🌧️ TYPES OF RAINFALL
Rainfall occurs when moist air cools and condenses into water droplets and falls to the Earth. There are three main types of rainfall: 🌄 1. Orographic Rainfall (Relief Rainfall) 📍 Definition: Rainfall caused when moist
🌍 TEMPERATURE & PRESSURE BELTS
🌡️ 1. Temperature Belts of the Earth Temperature belts are regions of the Earth classified based on the amount of heat received from the Sun. 🔥 (A) Torrid Zone (Tropical Zone) 👉 Example: India lies
🌌Layers of Atmosphere: Detailed Notes
🌍 1. Troposphere 👉 Important Point:The boundary above it is called the Tropopause. ☁️ 2. Stratosphere 👉 Boundary: Stratopause 🌌 3. Mesosphere 👉 Boundary: Mesopause 🔥 4. Thermosphere 🌠 5. Exosphere 📊 Summary Table Layer