{"product_id":"is-it-smooth-or-rough-isbn-9781977131812","title":"Is It Smooth or Rough?","description":"\u003cp\u003eA 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.\u003c\/p\u003e","brand":"Pebble","offers":[{"title":"Default Title","offer_id":48754556436709,"sku":"NP9781977131812","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1842\/7735\/files\/getimage_9ce265ca-0eeb-49a9-be16-2d1d36137208.jpg?v=1778263061","url":"https:\/\/k12savings.com\/products\/is-it-smooth-or-rough-isbn-9781977131812","provider":"K12savings","version":"1.0","type":"link"}