convulsions

"The movie started at 7 PM. "

"The student's imitation of the teacher's handwriting was surprisingly good. "

"Their loud laughter betrayed their presence."

"The athlete's muscular arms were strong enough to lift the heavy weights. "

"The student's tears were involuntary; she couldn't help crying when she saw the sad movie. "

"He is a student of life."

"Many earthquakes happen in California because it is near a geologic fault. "

"Is anyone here afraid of suffering hardship?"

"The teacher's voice was intense as she explained the difficult math problem. "

"The muscle contraction during exercise resulted in a temporary reduction in the size of the arm. "

"The toddler threw himself on the floor in a paroxysm of anger when his mother said no to candy. "

"The wildfire spread quickly due to the uncontrolled winds. "