Johnson, R., & Hicton, D. (2021). How Sound Changes. Smartbook Media Inc. https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/257
Johnson, Robin, and Douglas Hicton. How Sound Changes. Waves: Light and Sound. New York: Smartbook Media Inc., 2021, https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/257. Accessed 28 Jun. 2025.
Johnson, Robin, and Douglas Hicton. How Sound Changes. Smartbook Media Inc., 2021. Waves: Light and Sound. Lightbox Nonfiction Subscription, https://learn.openlightbox.com/TASubscription/92fe5023-7012-4c62-a2bf-77a2d5dd0963/9081e918-aca7-4d85-8f61-2ac49ebd27ee/5/257.
Title: How Sound Changes
Series: Waves: Light and Sound
Copyright: 2021
Author: Robin Johnson and Douglas Hicton
Subject: Science
Interest Level: K–2
Reading Level: 1
Dewey: 534
BISAC: JNF051140
AR Quiz: n/a
Fountas & Pinnell: N
ATOS: n/a
Lexile: 520L