Question

5
ken needs to measure out 50 ml of water. which of the following is the best tool for ken to use?
○a. ruler
○b. spring scale
○c. balance
○d. graduated cylinder

Explanation:

A ruler measures length, a spring - scale measures force or weight, a balance measures mass. A graduated cylinder is a tool specifically designed to measure the volume of liquids. Since Ken needs to measure 50 mL of water (a volume of liquid), a graduated cylinder is the appropriate tool.

Answer:

D. graduated cylinder