Core Knowledge Foundation
The Human Body—Building Blocks and Nutrition Tell It Again!™ Read-Aloud Anthology
A read-aloud anthology explores the human body. Over three weeks, second graders listen to and discuss texts related to the cells, tissue, organs, digestive system, excretory system, nutrients, and a balanced diet. Learners practice word...
Curated OER
What a Waste!
Fourth graders explore the kidney, bladder, and function of the excretory (urinary) system.