\u00c2\u00a0<\/p>\n
Test the Strength of your hair.<\/span><\/p>\n Strand of hair Find someone with long hair and ask an adult to cut one or two hairs. Stick one end of a hair to a small plastic bag with tape and tie the other end around a pencil. Let the bag hang in the air and drop marbles in one by one.<\/p>\n It’s amazing to see how many marbles one hair will hold before it breaks.<\/p>\n Why it works:<\/span><\/strong> <\/span><\/strong>Hair is surprisingly strong. It is made from the same material as fingernails. Mammals need strong, tough hair for protection from the weather.<\/p>\n Repeat experiment using thread and compare how many marbles one hair can hold with how many a thread can hold.<\/p>\n","protected":false},"excerpt":{"rendered":" \u00c2\u00a0 Test the Strength of your hair. Strand of hair 1 small plastic bag (sandwich or snack bags) marbles thread Find someone with long hair and ask an adult to cut one or two hairs. Stick one end of a hair to a small plastic bag with tape and tie the other end around a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32,22,16,15,9,44],"tags":[338,402],"_links":{"self":[{"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=\/wp\/v2\/posts\/1706"}],"collection":[{"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1706"}],"version-history":[{"count":3,"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=\/wp\/v2\/posts\/1706\/revisions"}],"predecessor-version":[{"id":3048,"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=\/wp\/v2\/posts\/1706\/revisions\/3048"}],"wp:attachment":[{"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pcgirl.net\/mom\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n1 small plastic bag (sandwich or snack bags)
\nmarbles
\nthread<\/p>\n