science

• equator is a imaginary circle midway between the North and South poles.
• hermispheres is the equator horizontally divides the earth into two equal parts
• northern hemispheres is half of the globe from the equator to the north pole
• southern hemisphere is the other half from the equator to the south pole
• parallel or lines of latitude is the circles drawn parallel to the equator
• meridians are lines that are drawn from the north pole to the south pole
• the distance of any place in the globe is measured in degrees since the earth is a sphere.
• the equator is the starting line of latitude measurement and hence,the equator is assigned a latitude value of zero degrees.
• as an archipelago, the philippines is made up of 7641 islands
• atmosphere - contains oxygen, the gas that humans and animals needs for respiration
• renewable resources are resources that naturally replenish themselves
• non-renewable resources are resources that do not naturally replenish and their supply is limited like oil and coal
• natural resources are materials found on the earth that are used to meet people needs and to support life.
• organic resources are made from living things. these are nutrients that derive from living matter
• inorganic resources are made from non-living things. these nutrients are found in minerals and other non-living substances.
• wind is moving air , its kinetic energy makes turbines run in bangui wind farm in iloco norte
• heat from the earths interior produces steam that is used to make turbines work to generate electricity
• natural gas is composed of a hydro carbon called methane which is usually found above oil deposits
• crude oil also a raw material for making wax,plastics,fertilizer and other products
• petroleum it has to be refined to produce energy sources such as gasoline,diesel and kerosene
• coal a solid fossil fuel that is black or brownish black in color and mostly composed of carbon. it is the largest source of energy for electricity
• the biggest waterfall in the philippines is the maria cristina falls in lanao
• since philippines is located at 22 degrees north latitude, it is part of the tropical region and is situated along the typoon belt