Sound is made up of tiny vibrations. Learn how different vibrations create different sounds! With age-appropriate critical thinking questions and carefully leveled text, young readers will learn all about sound while building nonfiction reading skills.
5 ವರ್ಷ ಮತ್ತು ಅದಕ್ಕಿಂತ ಕಡಿಮೆ ವಯಸ್ಸಿನವರಿಗೆ