Question

match the objects on the left with the most convenient si units of length. instructions a button a room distance from school to house meter centimeter kilometer

Explanation:

Step1: Analyze the size of a button

A button is a small object, so the most convenient SI unit for its length is centimeter.

Step2: Analyze the size of a room

A room has a moderate size, and the most convenient SI unit for its length is meter.

Step3: Analyze the distance from school to house

The distance from school to house is relatively long, so the most convenient SI unit for this distance is kilometer.

Answer:

a button - centimeter
a room - meter
distance from school to house - kilometer