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• Tributary


  Smaller branches of streams that feeds into a larger stream or a river
• Channel


  A length of water wider than a strait, joining two larger areas of water, especially two seas
• Levee


  Parallel flow of water that are usually parallel to the way the river flows
• Meander


  A winding path or course of a river
• Mineraloid


  An amorphous substance that would otherwise have the attributes of a mineral
• Glade


  Open, rocky areas that are usually located upland woodlands
• Jewel or gemstones


  Rare minerals that are mostly in crystalized form
• Rocks


  Solid mineral material forming part of the surface of a terrestrial planets, can be found exposed on the surface, underlying the soil or in oceans and other waterways
• Tenacity


  The toughness of a mineral or its resistance to breaking or being deformed
• Density


  The measure of how much material is squeeze into the amount of space a mineral occupies. The ratio of a mineral's mass to its volume
• Hardness


  The resistance of a mineral to scratching
• Streak


  The color of a mineral in its powder form
• Earthquake


  Any sudden shaking of the ground caused by the movement along the Earth's surface
• Dissolution


  Occurs when water comes in contact with rocks and dissolves the minerals that make up that rock into individual elements
• Epuration


  Purification of a product
• Hydrolysis


  The breakdown of rock by acidic water to produce clay and soluble salts
• Oxidation


  A type of chemical weathering that occurs when oxygen combines with another substance and creates compounds called an oxide
• Loam soil


  A rich soil that is a mixture of sand, clay and various organic matters which makes it ideal for planting crops and plants
• Clay soil


  A soil that is compact and cannot trap air, it is consists of a large amount of clay and small of amounts of humus and silt. Clay also have the smallest particle of all the soils. Broccoli and Cabbage grows well in this type of soil
• Sandy soil


  A soil that contains more than 85% of sand-sized particles by mass
• Silt


  Solid, dust-like sediments that are transported and deposited by different agents of erosion
• Minerals have a definite crystalline structure and can have nutritional value. Rocks may contain multiple minerals, but usually have no definite shape and can come in many colors
• Biomass


  A renewable organic material that comes from plants and animals
• Deuterium


  A stable isotope of hydrogen
• Fossil fuel


  An energy source that has been developed within the Earth for millions of years, with carbon base element
• Biosphere


  The region above and below the Earth's surface where life exists
• Atmosphere


  The region of the earth that contains the gaseous part of the planet
• Hydrosphere


  The region of the earth that holds the liquid part of the earth. It includes the cryosphere as well
• Lithosphere


  The region of the earth that contains the rocky portion of the earth's surface
• Tectonic plates


  Extremely large rock formations, a segment of the Earth's lithosphere above hot liquefied rock that can carry both continental and oceanic crusts
• Executive Order No. 222 S. 1995 - establishes the Committee on Water Conservation and Demand Management in the Philippines, tasked with preparing a nationwide Water Conservation Plan, conducting information dissemination campaigns, promoting private sector participation, monitoring water consumption, mobilizing funds, and coordinating with other government agencies and private entities to address water conservation challenges in the country
• National Water Crisis Act of 1995 - is an Act to address the national water crisis and for other purposes. This Act states the need for the government to adopt urgent and effective measures to address the nationwide water crisis which adversely affects the health and well-being of the population, food production and industrialization process
• Presidential Decree No. 424 S of 1994- established the National Water Resources Council in the Philippines to coordinate and regulate water resources development activities, with the authority to determine water rights, formulate standards, and advise on projects and policies
• The Philippine Clean Water Act of 2004- is an Act providing for a comprehensive water quality management and for other purposes. This Act provides for the abatement and control of pollution from land based sources, and lays down water quality standards and regulations
• Cross-bedding


  Layering within a stratum and at an angle to the main bedding plane. Consists of beds that are lying at an angle to the main sedimentary layers
• Mudcracks


  Formed when muddy sediments dry and contracts
• Sedimentation


  The deposition of sediments which forms the sedimentary rocks
• Tephra


  All pieces of rocks that are ejected into the air due to a volcanic eruption
• Aquifer


  A body of rock or sediment that holds water
• Fractured basalts


  • Rocks formed from a cooling lava flow
  • Fractured due to movement within the Earth's crust