Question

1. provide the key term that corresponds to each of the following definitions.

(a) a decimal system of measurement using prefixes and a basic unit to express length, mass, and volume
(b) a metric unit of length
(c) a metric unit of mass
(d) a metric unit of volume
(e) the clear lens at the surface of a liquid inside a graduated cylinder
(f) the degree of inexactness in an instrumental measurement

key terms: centimeter (cm), gram (g), meniscus, metric system, milliliter (ml), uncertainty

Explanation:

• (a) The metric system is a decimal system for measuring length, mass, and volume.
• (b) Centimeter (cm) is a metric unit of length.
• (c) Gram (g) is a metric unit of mass.
• (d) Milliliter (mL) is a metric unit of volume.
• (e) Meniscus is the clear lens - like surface of a liquid in a graduated cylinder.
• (f) Uncertainty is the degree of inexactness in an instrumental measurement.

Answer:

(a) metric system
(b) centimeter (cm)
(c) gram (g)
(d) milliliter (mL)
(e) meniscus
(f) uncertainty