LESSON 3

• Natural Resources

  • can find in our environment
  • not made by humans but made by nature
• Types of Natural Resourves

  • Renewable resources
  • nonrenewable resources
• renewable resources

  • can be replaced easily
• nonrenewable resources

  • have limited supply or cannot be replaced
• philippines

  • considered rich in natural resources
• PAGASA

  • philippine atmosphere geophysical and astronomical services administration
  • said that Philippines experienced 20 typhoons in a year.
• water

  • we need water for domestic, irrigation, and industrial purposes
• watershed

  • catchment area that drains the water intro streams, rivers, lakes and springs.
• Philippines’ Rich resources

  • the Philippines is recognized as the fifth mineral-rich country in the world
  • third in gold reserves
  • fourth in copper
  • fifth in nickel
• Pacific Ring of Fire

  • it is called ”ring of fire” because there is a continuing movement of very hot magma or molten materials under the ground.
  • the countries included is approximately 75% of world’s active volcanos.
  • the heat within the earth causes rocks and other materials to melt forming magma.
• metal

  • nonrenewable resources
  • people use them without limits because of the economic gain brought by these metals
• Solar energy

  • source: energy from the sun

  Geothermal energy

  • source: harnessed from heat within the earth

  Hydropower

  • source: derived from fast-flowing water

  Wind energy

  • source: generated from the wind

  Biomass

  • source: energy from decomposition of organic wastes