Question

name a unit of measurement that is about the same size as each object
a. the distance of a doorknob from the floor is about 1 ______
b. the thickness of a fingernail is about 1 ______.
c. the volume of a drop of honey is about 1 ______.
d. the weight or mass of a pineapple is about 1 ______.
e. the thickness of a picture book is about 1 ______.
f the weight or mass of a buffalo is about 1 ______.
g the volume of a flower vase is about 1 ______.
h. the weight or mass of 20 staples is about 1 ______.
i. the volume of a melon is about 1 ______.
j. the length of a piece of printer paper is about 1 ______.

Explanation:

Each answer uses a standard metric unit that matches the real-world approximate size/amount of the object:
a. Doorknobs are typically at waist height, ~1 meter from the floor.
b. Fingernails are very thin, ~1 millimeter thick.
c. A single drop of liquid like honey is ~1 milliliter.
d. A pineapple is a medium-heavy fruit, ~1 kilogram.
e. A picture book has a small thickness, ~1 centimeter.
f. A buffalo is a large heavy animal, ~1 tonne.
g. A flower vase holds a moderate volume, ~1 liter.
h. 20 small staples are very light, ~1 gram.
i. A melon has a substantial volume, ~1 liter.
j. Standard printer paper length (e.g., A4) is close to 1 meter (or more precisely, 0.297m, but meter is the appropriate whole unit here).

Answer:

a. meter
b. millimeter
c. milliliter
d. kilogram
e. centimeter
f. tonne
g. liter
h. gram
i. liter
j. meter