creaked

"The old door was squeaking every time someone opened it. "

"Turn the doorknob to open the door."

"The friction between the pencil and paper allows us to write. "

"The architect prolonged the design phase of the new library, adding more time for planning. "

"to grate a window"

"The old wooden stairs were creaking as I walked up to my bedroom. "

"The science class experimented with different substances to see how they reacted to heat. "

"My grandpa told me a funny story about his childhood. "

"I solved all of the acrosses, but then got stuck on 3 down."

"The farmer's fields produced a bountiful harvest of tomatoes this year. "

"To walk briskly for an hour every day is to keep fit."

"On a recent windy day, hundreds of visitors climbed wooden stairs to take pictures in front of the glacier."