World Windows 1 (Science): Float or Sink? Workbook

　　National Geographic

　　•World Windows introduces young learners to essential themes and concepts in Science and Social Studies, through National Geographic photography and content.

　　•Using non-fiction readings, World Windows helps to develop young learners' fluency in English, and ignites their curiosity about the world around them.

　　•Carefully leveled content introduces literacy strategies to prepare young learners for future learning success.

　　•Each level comes with a CD-ROM which includes audio recordings, songs, games and interactive pages to support literacy work.

　　•Four-color workbooks provide additional vocabulary, reading comprehension, and writing practice.

　　•Printable worksheets and practice tests can be used for classroom assessment

　　Key Feature:
　　•Wbrld Windows 系列分為3個級數，並分為二大類 Social Study 以及 Science，共有30本。
　　•是一套適合初階學習者（幼稚園中大班 ~ 國小低年級）所設計的特色主題讀本。
　　•運用國家地理頻道的多元主題，建立學生廣泛的知識。
　　•每一讀本皆搭配互動光碟，內容包含主題單字、導讀、歌曲、遊戲等。
　　•豐富資源配件：讀本、作業本、互動光碟。