Do Now
Regents Review Day 02Laboratory 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
Measurements Practice
Measurements Practice
Measurements Practice
Measurements Practice
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.
Microscope
• Coarse adjustment – brings the image into focus
• Fine adjustment – sharpens the image
Microscope
• Diaphragm – lets in more light and makes the image brighter
• Total magnification = eyepiece (ocular) x objective
Lab Safety
• Wear goggles• Wear gloves• Do not drink
chemicals• Handle chemicals
and glass with care• Do not touch hot
objects or fire
Homework #35
• R.B. p 162-163, #1, 3, 9, 11 (full answers only)