The most accurate measurement of the volume of a liquid in a graduated cylinder will be observed by looking at the volume marks closest to the bottom of this meniscus.

Syringes measure volume only by difference. For example, in order to measure 3.5 mL, pull out roughly 5 mL, flip the syringe facing up and push out the bubble so only liquid remains in the syringe ...

Record the mass in grams in the chart on the activity sheet. Pour 100 mL of water into the graduated cylinder. Try to be as accurate as possible by checking that the meniscus is right at the 100-mL ...

Gradually add about 15 mL of oil. Then slowly pour about 15 mL of alcohol on top. The liquids should form layers in the graduated cylinder. Show students the layered liquids in the graduated cylinder ...