Tài liệu được phân phối tuân theo Giấy phép CC BY-NC-ND. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY-NC-ND. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY-NC-ND. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY-NC-ND. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY-NC-ND. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Tài liệu được phân phối tuân theo Giấy phép CC BY-NC-ND. Xem chi tiết tại https://creativecommons.org/use-remix/cc-licenses/

Students learn about Anton van Leeuwenhoek and his pioneering work with the microscope. They then proceed to explore a number of topics regarding the human body, including cells, tissues, organs, and body systems, with a focus on the digestive and excretory systems. In addition, students learn about good nutrition and other keys to good health. The material is distributed in accordance with the CC BY-NC-SA. See details at: https://creativecommons.org/share-your-work/cclicenses

Students explore the idea of e pluribus unum and the importance of immigration in the history of the United States, with a focus on the great wave of immigration between 1880 and 1920. They learn reasons why people immigrated and why they settled in particular cities or regions. In learning about citizenship, students are introduced to basic knowledge about the Constitution and the Bill of Rights. The material is distributed in accordance with the CC BY-NC-SA. See details at: https://creativecommons.org/share-your-work/cclicenses

Students are introduced to more spelling alternatives for vowel sounds, as well as three tricky spellings (spellings that can stand for more than one sound, such as “y” in try or yes). Students practice persuasive writing as part of a friendly letter. In grammar, students review singular and regular plural nouns, as well as common and proper nouns. They are introduced to the formation of irregular plural nouns, as well as action verbs and to be verbs. The decodable Student Reader for Unit 4 is The Job Hunt. The material is distributed in accordance with the CC BY-NC-SA. See details at: https://creativecommons.org/share-your-work/cclicenses