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8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
8th Grade-Ch. 1 Sec. 1 Describing Matter
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8th Grade-Ch. 1 Sec. 1 Describing Matter

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  • 1. Ch. 1 Sec. 1 Describing Matter
  • 2.
    • Describe 9 of the objects.
    Describing Matter Activity 2. Classify the objects into 3 categories. Object Description (color, texture, shape,etc.) Silver Round Flexible
  • 3. matter
    • anything that has mass & takes up space
  • 4. chemistry
    • study of properties of matter & how matter changes
  • 5. substance
    • Single kind of matter that is pure
    • Has specific:
    • makeup or composition
    • set of properties
    • ex: salt, sugar
  • 6. 2 kinds of properties physical property chemical property can be observed w/out changing it into another substance new materials are formed
    • examples:
    • hardness
    • texture
    • color
    • flexibility
    • example:
    • flammability
    • ability to react
  • 7.  
  • 8.  
  • 9. What are the frog’s physical properties?
  • 10. What are the frog’s chemical properties?
  • 11. What are the frog’s chemical properties?
  • 12. element
    • Pure substance cannot be broken down into any other substances by chemical or physical means
  • 13.
    • ALL MATTER IS MADE OF ELEMENTS.
  • 14. atom
    • basic particle from which elements are made
  • 15. Elements: One Kind of Atom [01:14]
  • 16.  
  • 17.  
  • 18. chemical bond
    • force of attraction between 2 atoms
  • 19. molecule
    • 2 or more atoms held by chemical bonds
  • 20.  
  • 21. Molecules: More Than One Kind of Atom [00:30]
  • 22. ACTIVITY-MAKING MOLECULES
    • H 2 O
    • C O 2
    • C 2 H 4
    • C Cl 4
    • C 4 H 10
    • C H 3
    • C H 3 O H
    • H C O 2 H
    Blue- Nitrogen- N Yellow- Hydrogen- H Black- Carbon- C Green- Chlorine- Cl Purple- Iodine- I Flourine- F Red- Oxygen- O Orange- Bromine- Br
  • 23.  
  • 24. compound
    • Pure substance made of 2 or more elements chemically combined in a set ratio
    • Represented by chemical formula- shows ratio of elements
    CO 2 H 2 O Compounds and their Proportions
  • 25. mixture
    • 2 or more substances that are mixed together but not chemically combined
    • cereal
  • 26. solution
    • well mixed mixture
    • sea water, lemonade
  • 27. heterogeneous mixture
    • can see different parts
  • 28. homogeneous mixture
    • substances evenly mixed so you can’t see different parts
    • solution
  • 29. Heterogeneous and Homogeneous Mixtures [01:16]
  • 30.  
  • 31. Activity- Separating a Mixture corn Chex wheat Chex Round pretzels Bread-sticks Bagel chips Window-pane pretzels
  • 32. Classify each item as either an element (E) , a compound (C) , or a mixture (M) . You may also use your textbook and the periodic table to help you identify elements.
    • water
    • hydrogen
    • soup
    • soil
    • diamond
    • sugar
    • sulfur
    • iron
    • brass
    • sausage
    • cement
    • oxygen
    • chop suey
    • air
    • iron sulfide
    • mercury
    • nitrogen
    • salt
    • bread
    • gold
    • aspirin
  • 33. Classify each item as either an element (E) , a compound (C) , or a mixture (M) . You may also use your textbook and the periodic table to help you identify elements.
    • water C
    • hydrogen E
    • soup M
    • soil M
    • diamond E
    • sugar M
    • sulfur E
    • iron E
    • brass C
    • sausage M
    • cement M
    • oxygen E
    • chop suey M
    • air M
    • iron sulfide C
    • mercury E
    • nitrogen E
    • salt C
    • bread M
    • gold E
    • aspirin C

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