This Science quiz is called 'Materials - Rough And Smooth' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is an enjoyable way to learn if you are in the 3rd, 4th or 5th grade - aged 8 to 11.
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Have you ever tried running your hand over a brick wall? It is rough. But the glass in a mirror is really smooth. 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. Let’s find out a bit more about the texture of materials.
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