Science Readers: Astronomers Through Time

Astronomers Through Time is an expository nonfiction text about astronomers who have made a big impact in the field of astronomy. Astronomers include Hypatia of Alexandria, Nicholas Copernicus, Galileo Galilei, Sir Isaac Newton, Carl Sagan and Margaret Geller. The text includes a section on astronomer Sandra Faber. Readers gain interesting information from text and graphics. Multiple scientists and their work are highlighted in the text. A two-page experiment written in third person procedural language invites students to collect micrometeorites in their backyard and examine them with a microscope.

Astronomers Through Time is divided into sections. A range of illustrations are used which add information and support the reader’s interpretation of the text, including labeled photos. Many fact boxes and sidebars are used to provide students with additional learning opportunities. Periods, commas, exclamation marks, quotation marks, and question marks are used. A table of contents, a glossary, and an index support the reader.

Sentences structures and lengths vary with a wide variety of parts of speech. A full range of plurals and compound words are used. Sentences contain connectives, possessives, contractions, prepositional phrases, and verbs with inflection endings. Glossary words are bold faced throughout the text. Some words appear in the vocabulary of mature language users.

This title is from the Science Readers series from Teacher Created Materials. Build literacy skills and science content knowledge with high-interest, appropriately levelled information texts.