Notes gb lab 01 02 properties r us measuring matter

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Notes gb lab 01 02 properties r us measuring matter

  1. 1. NotesNotes
  2. 2. Today we will: Observe different substances and recordyour observations Identify and recognize General, Physicaland Characteristic properties of matter Describe how physical properties can beused to gather information about asubstance.
  3. 3.  Physical Properties Color Conductivity Luster Odor Hardness Magnetism Shape Malleable Ductile
  4. 4. Properties of a substance that canbe observed without changing thesubstance
  5. 5.  Physical Propertiesmay include but ar enotlimited to: Color Texture Shape Conductivity Size Luster Hardness Odor
  6. 6. Red, blue ,yellow, green ora mix of colors
  7. 7. How smooth orrough somethingfeels to the touch
  8. 8. Round, jagged,square etc.
  9. 9.  That whichallows heat orelectricity topass through isconsidered“Conductive”
  10. 10. How largeor smallsomething is
  11. 11. Quality of lightreflection Shinyor dull
  12. 12. How soft or hard asubstance is.Can it easily bescratched with afingernail, a steelnail?
  13. 13. Describes thespecific smellif any
  14. 14. The physicalproperty of asubstance thatallows the substanceto be hammered andshaped into sheets.
  15. 15. The physicalproperty of asubstance thatallows thesubstance to bestretched into awire
  16. 16. NotesNotes
  17. 17. The student will: Make accurate measurements using theInternational System of Units (SI-metric) Select and use appropriate tools forgathering data
  18. 18. The student will: Use mathematical concepts to collect,analyze and report data Calculate mass, volume of substances Investigate and determine physicalproperties of matter
  19. 19. General PropertiesCharacteristic PropertiesMassVolumeMeanMedianModeRange
  20. 20. Properties like mass and volumethat all substances have. They do not help with identificationof the substanceEverything has mass (M) andvolume (V)
  21. 21.  The amount ofmatter in an objector substance▪ Measured with atriple-beam-balance▪ Measured in grams(g) or Kilograms(Kg)
  22. 22. The amount of spacesomething takes up Liquids are measuredin milliliters (mL) Solids are measured incubic centimeters (cm3)
  23. 23. To calculate the volume of a regularsolid such as a cube:Measure the length (l) the height (h)and the width (w).Then multiply l x h x w to get thevolume
  24. 24. To find the volume of an irregular soliduse the water displacement methodusing a graduated cylinder
  25. 25. Properties unique to a substance.They help identify the substance▪ Density Boiling Point▪ Melting Point Freezing Point▪ Flammability Combustibility▪ Reactivity
  26. 26. Mr. Kershes ……….NOT!
  27. 27. The average in a series of numberswhen they are first added and thendivided by the number of addends6+8+5+4+2+10 +7= 4242/7 = 6Mean = 6
  28. 28. The middle number in a series ofnumbers when they are put in orderfrom lowest to highest 6, 8, 5, 4, 2, 10 , 7 2, 4, 5, 6, 7, 8, 10 6 is the median number
  29. 29. The most frequently repeatednumber/value in a series ofnumbers2, 4, 5, 6, 6, 6, 7, 8, 106is the Mode
  30. 30.  The differencebetween thehighest and thelowest numbers ina series of numbers It can be written asLowest – Highest oras the numericaldifference betweenthe lowest andhighest numbers. 2, 4, 5, 6, 7, 7, 7, 8, 10▪ Range Lowest t oHighest  2 – 10▪ Range difference =8

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