Matter in Our Surroundings
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Questions and Answers

What is the primary characteristic of matter that defines its existence?

  • Its ability to undergo chemical change
  • Its ability to occupy space and have mass (correct)
  • Its ability to react with oxygen
  • Its ability to change physical state

    • What is the term for a substance composed of only one type of atom?

  • Molecule
  • Element (correct)
  • Mixture
  • Compound

    • Which of the following is an example of a chemical property of matter?

  • Texture
  • Flammability (correct)
  • Color
  • Shape

    • What is the term for a physical blend of two or more substances?

    <p>Mixture</p> Signup and view all the answers

    What is the primary reason why matter is essential for our survival?

    <p>It provides us with food, water, and air</p> Signup and view all the answers

    Which of the following is not a physical state of matter?

    <p>Energy</p> Signup and view all the answers

    Study Notes

    Matter in Our Surroundings

    Definition of Matter

    • Matter is anything that has mass and occupies space
    • It can exist in different physical states: solid, liquid, gas, and plasma

    Characteristics of Matter

    • Physical Properties: characteristics that can be observed or measured without changing the composition of matter
      • Examples: color, shape, size, texture, density, melting point, boiling point
    • Chemical Properties: characteristics that describe the ability of matter to undergo a specific chemical change
      • Examples: flammability, reactivity with oxygen, pH level

    Classification of Matter

    • Elements: substances composed of only one type of atom
      • Examples: hydrogen (H), carbon (C), oxygen (O)
    • Compounds: substances composed of two or more different elements
      • Examples: water (H2O), carbon dioxide (CO2), ammonia (NH3)
    • Mixtures: physical blends of two or more substances
      • Examples: air, soil, blood

    Importance of Matter in Our Daily Lives

    • Matter is essential for our survival: food, water, air, shelter, clothing
    • Matter is used in various applications: medicine, technology, transportation, energy production

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    Description

    Explore the definition, characteristics, classification, and importance of matter in our daily lives. Learn about physical and chemical properties, elements, compounds, and mixtures.

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