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The Hard Stuff! All About Bones

Informational (nonfiction) 1,691 words, Level U (Grade 4), Lexile 910L
Multilevel Book also available in levels R and X.
What do humans have in common with snakes, elephants, and whales? A skeleton! The numbers of bones may vary, but the purpose is the same--to support and protect all of the organs inside the body. Photographs, illustrations, X-rays, and detailed diagrams of various bones help readers make meaningful connections with the text. Book and lesson also available at levels R and X.

Book Resources

Printable and Projectable Book at

Lesson Resources

Premade vocabulary lessons at