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"The teacher isolated the student who was disruptive, placing him in a separate room. "

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

"Letters are the elements of written language."

"The atmosphere was thick with the smell of popcorn, as the kids gathered for the movie night. "

"The water from the well was surprisingly colourless, almost like air. "

"They were taken unawares and overcome when the room filled with a lethal, odourless gas."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The computer technician fixed the broken printer in the school library. "

"The lightbulb's filament glowed brightly. "

"I brush my teeth regularly to prevent them from turning yellow."

"[W]ith their magical words they [poets] bring forth to our eyesight the abundant images and beauties of creation. — Leigh Hunt, On the Realities of Imagination"

"The scientist studied the chemical composition of the soil sample. "