Why Do Ice Cubes Float?

April 1, 2016

K-Gr 2-Though offering at best only partial answers to their titular questions, these primary level introductions will start newly independent readers on the road to understanding the science and technology behind everyday sights and occurrences. Bulb, for instance, describes how electricity lights up incandescent and compact fluorescent bulbs, but mentions LED bulbs without explaining how they work. The big photographs and graphic images are informative and eye-catching. Despite the odd inclusion of a photo of listeria bacteria with no accompanying discussion of its danger, Food is the best of the lot as it pairs explanations of how food spoils, along with proper storage methods and a cautionary note about preservatives. VERDICT Add selectively to deepen collections supporting strong early science instruction.

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