Take this piece of chalk and write on the blackboard.
Give me a piece of chalk.
What I can't bear is the sound of chalk squeaking on a chalkboard.
I hate chalk. It leaves powder on your hands.
He will chalk up more than ten points.
He run fastest by a long chalk.
You're comparing chalk and cheese!
You might just chalk up some brownie points.
The teacher wrote the topic on the blackboard with chalk.
I had no toys or anything else, so I used a chalk that had been bought for me and drew pictures and letters on a closet door.
The Chiltern Hills are composed of chalk.
Osteomyelitis turns your bones to chalk.
The student went to get some chalk.
a stick of white or coloured chalk, used for writing or drawing, especially on a blackboard
Please use chalk to mark the line.