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2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
2-3 Classifying Matter
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2-3 Classifying Matter

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  • All water is the same. Pure water smells, tastes, and looks the same. Every pinch of salt tastes equally salty. Every block of gold shines equally.
  • Can atoms be broken down into smaller parts and the matter still have the same characteristics?
  • The elements have different properties when alone. Hydrogen and Oxygen are flammable as elements. But water is not flammable.
  • Transcript

    • 1. Warm-up
      • What instrument would you use to measure temperature?
      • Which of the following is a unit of volume?
        • a. gram b. atmosphere c. meter d. liter
      • What property of matter can you measure using a graduated cylinder?
      Thermometer Volume
    • 2. 2-3 Classifying Matter
      • Classify pure substances as elements and compounds.
      • Describe the characteristics of an element and the symbols used to identify elements.
      • Distinguish pure substances from mixtures.
      • Classify mixtures as heterogeneous or homogeneous.
      • Classify mixtures as solutions, suspensions, or colloids.
    • 3. Matter?
      • What is matter?
        • Anything that has mass and takes up space
      • Why do we need to classify matter?
        • Not all matter is the same.
        • Different types of matter must be treated differently.
    • 4. Group the following into 2 or more groups
      • Sand
      • Concrete
      • Iron
      • Orange juice
      • Paint
      • Air
      • paper
      • Basketball
      • Car
      • Monocacy River water
      • Vitamin water
      • Computer
      • Cell phone
      • gold
    • 5. Pure Substances
      • Made up of all the same thing or one type of matter.
      • Pure substances have the same properties regardless of sample.
      • Subgroups
        • Elements
        • compounds.
    • 6. Elements
      • Substances that cannot be broken down into simpler substances.
      • Think of atoms.
      • Contain only one type of atom.
      • It has a fixed composition.
      • Examples of elements:
        • Aluminum (Al), Gold (Au), Carbon (C) - solids
        • Bromine (Br 2 ), Mercury (Hg) - liquids
        • Oxygen (O 2 ), Nitrogen (N 2 ) - gases
    • 7. Compounds
      • Substances that are made up of two or more simpler substances.
        • The simpler substances can be either elements or other compounds.
        • They are combined in chemically defined ratios.
        • H 2 O – Water
        • C 6 H 12 O 6 – Glucose (Sugar)
    • 8.
      • The make-up of mixtures are not fixed.
      • Properties vary by mixture contents.
      • They retain some of the properties of the individual substances.
        • Sand
        • Dirt
        • Mac & cheese
      Mixtures
    • 9. Which of the following are pure substances?
      • Sand
      • Copper wire
      • Your Phone
      • Your notebook
    • 10. Which of the following is a mixture?
      • Pure water
      • 24 karat gold ring
      • Iron rod
      • River water
    • 11. Which of the following is not an element?
      • Gold
      • Sugar
      • Iron
      • Zinc
    • 12. Which of the following is a compound?
      • H 2 O
      • Au
      • Cu
      • Fe
    • 13. Heterogeneous Mixtures
      • The Greek words hetero and genus meaning “different” and “kind.”
      • Two or more types of atoms, physically combined in no definite ratio.
      • Different throughout.
    • 14. Homogeneous Mixtures
      • Two or more substances, physically combined in no definite ratio.
      • Same throughout.
    • 15. Matter Classification Matter Pure Substances Mixtures Elements Compounds Homogeneous Heterogeneous

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