hyperactivity

"the still of the night"

"During the class trip to the zoo, the children were so hyperactive that it was hard to keep them all together. "

"The being in the classroom was quiet today. "

"Often used to imply membership of a large class."

"I saw a movement in that grass on the hill."

"Putting a wide vibrato on a single 16th triplet note at 160 beats per minute seems rather excessive."

"She sat and fidgeted out of restlessness as she waited."

"The doctor sent the tissue sample for pathological analysis to determine if any disease was present. "

"Go easy on him: he is but a child."

"Quality of life is usually determined by health, education, and income."

"The heat of sunlight at the focus of a magnifying glass can easily set dry leaves on fire."

"The complicated instructions on the new software difficult me from completing the project on time. "