Chalkboards are flat surfaces used for writing or drawing with chalk. They are commonly found in classrooms, where teachers use them to illustrate lessons and engage students. Chalkboards can be made from various materials, including wood, metal, or a special type of plastic, and they are often painted with a dark, matte finish to enhance visibility. Chalkboards have been largely replaced by whiteboards and digital displays in many educational settings, but they remain popular for their simplicity and low cost. They are easy to clean and can be reused multiple times, making them an eco-friendly option for teaching and presentations.