In the Delta Science Reader Sound, students read about what causes sound, how sound travels, and how sounds are different. They learn how our voices and ears work to allow us to speak and hear. They discover how different types of musical instruments make sounds. They also read about audiologists, people who test hearing. Finally, students find out how certain animals use echolocation to find out about their surroundings.
Delta Science Readers are 16-page nonfiction books for students with informative, engaging full-color photos and graphics that present key science concepts and vocabulary.
Each reader has three main sections: