Chemistry 1

• Properties of matter


  Characteristics, traits or qualities of matter
• Major classifications of properties of matter

  • Physical property
  • Chemical property
• Physical property


  Characteristic or trait of matter that can be observed or perceived with our senses easily without changing its chemical composition
• Physical properties of chalk

  • Color (white)
  • Shape (cylindrical)

  
• Intensive physical property


  Characteristic or trait of matter that does not depend on the amount
• Ductility


  Ability of a substance to be stretched into wire
• Malleability


  Ability of a substance to be hammered or transformed into thin sheet
• Diffusion


  Ability of matter to be scattered or spread out
• Extensive physical property


  Characteristic or trait of matter which is dependent on the amount or quantity
• Instruments to measure physical properties

  • Tape measure
  • Graduated cylinder
• Chemical property


  Characteristic or trait that can be observed when a matter reacts to another substance
• Chemical properties


  • Combustibility/flammability
  • Oxidation (rusting)
• you cite other example of this?
• Diffusion of ink
• Extensive physical properties of matter

  • size
  • mass
  • volume
  • density
  • length
  • width
• If the amount of matter or particles is increased, it may cause change in the size, mass, volume, density, length and width of an object
• Measuring instruments


  • Measuring tape
  • Graduated cylinder
• Chemical properties of matter

  • Combustibility/flammability
  • Oxidation like rusting
• Combustibility of Paper
• Rusting of Iron Roof
• Prepare a spoon of sugar, salt, water, cooking oil and tissue paper using measuring spoon then place each in separate containers
• Observe the five substances then complete the table below by determining their physical and chemical properties
• Which substances have similar physical property? Explain your answer
• Which substances have the same mass? How about color, taste and flammability?
• Which substance is said to be flammable? What precautionary measure could you cite about flammable materials?
• Which property is extensive physical property? How about the intensive physical property and chemical property of matter?
• Many products which we are using at home have similarities to one another
• Good examples of these are the sugar and salt which are both white in color
• Because of this similarity in color, some people may get confuse on which of the salt and sugar will they use specially in times of urgency
• Because of this, people should be familiar with the different properties of matter to various reasons
• First is to avoid accident because of the wrong choice of substance, and secondly is get the best result by using the right material
• Analyze and complete the concept map below about the properties of matter
• A crime situation is presented to you. You need to solve the crime by using your senses and given information
• Fill in the investigation report correctly
• Which of the cloth A and cloth B can be used as possible source of evidence in the crime? Why?
• Which property of matter did you use in making your observation?
• You are tasked to make an alternative disinfectant for corona virus. Which materials are you going to use and why? Explain how this product could promote nationalism and compassion to others
• Coal is used to produce electricity by burning them to power the generator
• Water freezes at 0°C
• Salt and refined sugar are both white in color