Is It Smooth Or Rough

Discusses the properties of matter pertaining to whether an object is smooth or rough, defining both words and using examples to illustrate the differences.

The coins are shiny. But they are also round, and there are five of them. One is over another, and one is under. The tree is rough. It is also brown and tall. And how about the stones? And the turtle? And the cotton candy? All the objects in this stunning book are textured -- they are rough, or smooth, or shiny, or sticky, or wet, or furry. But they are also lots and lots of other things. The more you look at the pictures, the more you will see. How much can you tell about each photograph? Once you start, it will be hard to stop!

The rocks you see everyday can be grouped into different types, like igneous, sedimentary, or metamorphic. Some rocks are actually minerals, and you can even find fossils in some types of rocks. Complete with activities and experiments, this nonfiction science book is perfect for introducing children to geology.

Young readers learn some surface that are smooth, and some that are rough.

"Compares and contrasts common rough and smooth objects, both in nature and man-made. Includes comprehension activity"--Provided by publisher.

"A piece of silk is smooth. Tree bark is rough. Why are some objects smooth and others rough? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between smooth and rough objects"--

In a career that spanned three decades, Alan Rough played with some of the biggest names in the game, and was between the posts for some of the classic moments in Scottish football. In this book, 'Roughie' recalls the most memorable moments of his long and successful career.

Acorn books provide carefully levelled non-fiction to introduce key curriculum concepts. This series introduces different properties of materials and helps to develop descriptive vocabulary. Includes notes for parents and teachers.