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Do Now. Regents Review Day 02. Laboratory Skills. Measurements Review. Multiply cm by 10 to get mm (ex. 7cm x 10 = 70mm) Measure the volume of liquids with a graduated cylinder . Measure liquids from the middle of the meniscus (curve). Measurements Practice.

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Do Now

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  1. Do Now

  2. Regents Review Day 02 Laboratory Skills

  3. Measurements Review • Multiply cm by 10 to get mm (ex. 7cm x 10 = 70mm) • Measure the volume of liquids with a graduated cylinder. • Measure liquids from the middle of the meniscus (curve).

  4. Measurements Practice

  5. Measurements Practice

  6. Measurements Practice

  7. Measurements Practice

  8. Measurements Practice

  9. Microscope • Start on low power because it has a larger field of vision, then zoom in to the center of the field with high power.

  10. Microscope • Coarse adjustment – brings the image into focus • Fine adjustment – sharpens the image

  11. Microscope • Diaphragm – lets in more light and makes the image brighter • Total magnification = eyepiece (ocular) x objective

  12. Lab Safety • Wear goggles • Wear gloves • Do not drink chemicals • Handle chemicals and glass with care • Do not touch hot objects or fire

  13. Homework #35 R.B. p 162-163, #1, 3, 9, 11 (full answers only)

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