SCIENCE
Hewitt, Sally

Light and Dark

(3) K-3 It's Science! series. While presenting only a minimum of information on the topics, these simple books provide younger readers with basic introductions to some of the physical principals that shape our world. Easy activities give readers a hands-on understanding of the concepts. Bright color photos of both boys and girls engaged in activities and an eye-catching design make these appealing offerings. Glos., ind.

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