SCIENCE 4TH QUARTER

• Geography : is the study of Earth and it's features, its inhabitants and phenomena.
• Physical Geography : studies the natural environment
• Human Geography : studies the human environment
• Globe : most accurate model used to represent Earth. It is sphere shaped.
• Map : representation of the whole or part of the world, usually on a flat surface.
• Cartographer : a person who makes maps.
• Watershed : an area of land on a slope which drains its water into a stream and its tributaries.
• Non-renewable energy : they are usually due to the long time it takes them to be replenished.
• Renewable : resources are replenished naturally and over short periods of time.
• Exosphere : upper limit of our atmosphere that is 500 km to 1000 km from Earth.
• Thermosphere : it is between 80 km to 110 km above the earth. (2nd furthest)
• Mesosphere : The layer between 50 km to 80 km above the Earth's surface. (middle layer)
• Stratosphere : the layer of air that extends to about 50 km from Earth's surface. (2nd nearest)
• Troposphere : it is the layer closest to Earth. Weather occurs here because it contains most of the water vapor.
• Sea breeze : the air above the sea will then move in to replace the rising warm air. You feel feel the moving air as a light wind.
• Land breeze : Air from land will move out to replace the rising warm air. This is the moving air or wind from land.
• Monsoon : are wind systems, usually bring abundant rainfall to the country.
• Amihan : seasons dominated by the trade winds which are from the cool northeast winds.
• Habagat : seasons that are characterized by hot and humid weather, frequent rainfall, and a prevailing wind from the west.
• Inter Tropical Convergence Zone (ITCZ) : Belt of low pressure which circles the Earth generally near the equator where the trade winds of Northern and Southern Hemispheres come together.