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  • A flexible material that can recover its shape after considerable deformation.
    Rubber
  • Kind of waste management producing new materials such as making decorations, vases and figurines from used/scap papers.
    Recycle
  • Formation of steam from a boiling kettle is an of what physical change?
    Evaporation
  • Household material used to kill harmful insects, aphids, and blights.
    Insecticides
  • The important factors involved in the chemical change caused by oxidation in metals are ___________________.
    oxygen and moisture in air
  • Pertains to the waste that are able to break down into very small parts or has an ability to decay.
    Biodegradable
  • Metabolism is an example of _________________ change.
    Chemical
  • In what process does formation of ice frosts on windows and leaves in other countries.
    Deposition/Gas to solid
  • Property of matter that can be observed without changing the identity of an object.
    Physical property
  • Is an anything that occupies space and has mass.
    Matter
  • Harmful material that can harm /poison living things like bleaching agents, detergents, and dishwashing liquid.
    Toxic
  • What are the three states of matter?
    Solid, liquid and gas
  • Refers to the used or consumed products or materials. Example of this is garbage that emits foul odor.
    Waste
  • The ability of a material to allow light to pass through.
    Transparency
  • A type of solid waste which is not capable of being broken down or decay.
    Non-biodegradable
  • Decomposition of substances due to heat is called ________________________.
    Thermal decomposition
  • Melting of an ice cube to water is an example of what type of physical change or phase change?
    Melting
  • Fixing broken things so that they can be used again such as sewing and mending old clothes.
    Repair
  • A useful material wherein it is made up of large amount of silica from fine sand combined with smaller amounts of soda and lime. It is commonly used due to its transparency.
    Glass
  • What type of physical change if matter changes from solid to liquid.
    Melting
  • These are substances that help you get well such as pain relievers, ointment, and cough syrup.
    Medicines
  • This property has an ability of matter to form a new substance.
    Chemical property
  • Phase change from liquid to solid.
    Freezing
  • It is a useful and renewable material used in construction, it is said to be an extremely versatile material.
    Wood