Название: Gravity (Readers Advance; Science Readers , Grade 4)
Автор: Myrl Shireman
Издательство: Mark Twain Media
Год: 2006
Формат: True PDF
Страниц: 23
Размер: 12 Mb
Язык: English

Have you ever wondered how gravity works? Written for students in grade 4, Gravity tells students how it works. Students also learn how gravity affects a person’s weight, space travel, and even the orbits of the planets! This book includes a glossary of bold-faced vocabulary words, reading activities, an index of terms, and an answer key.