2.  Read at Eye Level

3.  Reading: all certain digits, plus one “uncertain” or estimated digit

4.  Use a graduated cylinder - NOT a beaker or flask

5.  Measure at the bottom of the curve of the meniscus. How many places past decimal point on the graduated cylinder?

6. 1. A crescent or a crescent-shaped body. 2. The convex or concave upper surface of a column of liquid, the curvature of which is caused by surface tension. 3. Optics. a lens with a crescent-shaped section; a concavo-convex or convexo- concave lens. 4. Anatomy. a disk of cartilage between the articulating ends of the bones in a joint. Origin - 1685-1695 < Neo-Latin < Greek mēnískos crescent, diminutive of m ḗ nē moon

7.  Meter Stick or Ruler › Read all certain digits › Plus one “uncertain” or estimated digit How many places past decimal point on the meter stick (when measuring in cm)?

8.  Triple Beam Balance › Zero the balance before use

9.  Triple Beam Balance › Zero the balance before use › Use weighing paper if needed › Add all three scales together How many places past decimal point on the triple beam balance?

10.  Electronic Balance › Zero the balance before use › Use weighing paper if needed › ALL numbers displayed are recorded How many places past decimal point on this balance?