Machines That Go Up and Down (Learn About: Economics/Technology, Level 6)

This Level 6 nonfiction reader introduces young readers to machines that lift, lower, and move people or objects, such as elevators, cranes, and other mechanical devices. Through leveled text, full-color photographs, and a picture dictionary, children learn how these machines make work easier while building reading skills and understanding basic technology concepts as part of the Learn-Abouts guided reading program.