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Adler expertly teaches the concept of density, moving beyond the classic floating and sinking experiments to a carefully constructed lesson that helps young thinkers appreciate both scientific explanations and practices. The treatment of density is masterful: Adler introduces the fundamental physical relationship with terms familiar to readers (weight relative to size), then g...Log In or Sign Up to Read More

Adler expertly teaches the concept of density, moving beyond the classic floating and sinking experiments to a carefully constructed lesson th...Log In or Sign Up to Read More

David A. Adler’s direct, accessible text uses an engaging, hands-on approach: almost immediately readers are encouraged to fill their sinks, find things around the house “that won’t be damaged by water,” and guess which will float before putting them to the test. Activities throughout—using common objects such as aluminum foil and water—bring the explained concepts to life. As ...Log In or Sign Up to Read More