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By Fleisher, Paul, Patricia A. Keeler. Have you ever wondered why a 10-tonne boat floats but a tiny pebble sinks?. How does a basketball or tennis ball bounce?. Robert Boyle could have described how!
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.