Their __________ km, m, cm and mm are also written in lowercase letters, and are never followed by ‘s’ for the plural.

Hardeep says, “I have seen my grandmother measuring cloth by the length of her arm.” “Have you ever... Science · 5. Measurement of Length and Motion A few days later, Hardeep __________ his friends excitedly, “Let us all go to the playground. Science · 5. Measurement of Length and Motion Now use your __________ and expand it to a size as big as you want. How tall am I? Science · 5. Measurement of Length and Motion The system of units now used is known as the ‘International System of Units’ or SI __________. Science · 5. Measurement of Length and Motion