This playground is covered in bark from trees. You still have to be careful, but the surface is:

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Grades 3, 4 and 5 - Science - Elementary School - Materials - Rough And Smooth — practice the complete quiz, review flashcards, or try a random question.

What is the difference between rough and smooth? Different materials feel very different. Some are soft to the touch. Others are hard and sharp - some are so sharp they could cut you. How materials feel is called their texture.


This playground is covered in bark from trees. You still have to be careful, but the surface is:<br><img src='https://www.fatskills.com/images2/EQ/Rough-and-Smooth-3-s.jpg' width='210' alt='' class='quiz__question__image__img' />