Vivid and engaging photographs explore the concepts of same and different. Youngsters are invited to use what they know about color, texture, shape and weight to observe how objects change. An answer key presents the surprise discovery that all pairs of objects weigh the same, providing a unique introduction to conservation of mass.
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Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Paperback. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0983397163I3N00