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<p>[QUOTE=&quot;2manybooks, post: 668423, member: 8267&quot;]Did you salt the water?</p><p>&quot;Salt Water test. In order to do this test you will need about 7 teaspoons of salt and a medium size cup of water. Add all teaspoons of salt into the water and stir well until salt is fully melted.&quot;</p><p><a href="http://www.thenaturalamber.com/blog/6-amber-tests-identifying-real-amber/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.thenaturalamber.com/blog/6-amber-tests-identifying-real-amber/" rel="nofollow">http://www.thenaturalamber.com/blog/6-amber-tests-identifying-real-amber/</a></p><p><br /></p><p>Adding the salt increases the density of the water to be greater than the density of real amber, so it will float. On the other hand, polyethylene is less dense than amber, so it would also float, but ride higher in the water. You need a sample of known polyethylene to try to see how it compares.</p><p>Science experiment![/QUOTE]</p><p><br /></p>

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