This is a simple but effective demonstration using a ping pong ball and balloon to model the contractions during childbirth.
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Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
[embed]https://www.ted.com/talks/dustin_schroeder_how_we_look_kilometers_below_the_antarctic_ice_sheet[/embed] Antarctica is a vast and dynamic place, but radar technologies -- from World War II-era... read more
Categories: Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
https://youtu.be/-QYIm5WV04I It’s one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and... read more
Categories: Gr 9-10 Science, Gr. 11-12 Biology
Introduction One of the basic tenets of cell theory is that “all cells only arise from pre-existing cells.” In fact, new cells are formed by the process of cell division, which gives two... read more
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