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properties of matter - Grade 5

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  • this properties describe the scratch resistance of various materials?
    hardness
  • it is an alloy of copper and tin?
    brass
  • it is the ability of materials to be bent without breaking?
    flexibility
  • this is the ability of materials to be stretched and to return to its original size?
    Elasticity
  • this properties are generally mixtures of clay. earthen elements, powders, and shaped into desired forms
    ceramics
  • it is derived from mineral quartz that is melted at high temperatures then cooled to form the crystalline material?
    glass
  • what nutrients boost our body's immune system to prevent illness and diseases?
    vitamins or minerals
  • what nutrients that grains, rice, breads, and cereals have?
    carbohydrates
  • what fibers include silkworm silk, spider mohair, fur such as sheepskin, rabbit, fox and beavers?
    Animal fibers
  • dairy products, such as milk and cheese are sources of ______?
    fats
  • ________ is made from sap obtained from rubber trees?
    rubber
  • it is a combination of iron with carbon, chromium or nickel.
    stainless steel
  • it is the ability of materials to be molded into various shapes?
    plasticity
  • this product made from trees, usually from the tree trunk, stems, and roots?
    wood
  • it is defined as the property of having holes?
    porosity
  • this nutrient helps in the development of strong bones and muscles?
    proteins
  • it is the property of a materials to withstand a lot of stress without breaking?
    tenacity
  • _____ are man-made materials produced from chemicals known as PHENOLS, HYDROCARBONS and FORMALDEHYDES?
    Plastics
  • it is the ability to attract materials made of iron or steel?
    magnetic property
  • what do you called the ability of a materials to reflect light?
    luster