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Grow a GIGANTIC eyeball! Watch as the small eye grows bigger and bigger by the day. Just place it in warm water and watch it expand and become a huge baseball size eyeball!
"Growth Powder" is a polymer like the one in the Alien that absorbs water like crazy! It's like the material used in baby diapers to absorb "liquids." The Growth Powder (and the Growing Alien) absorbs water by diffusion. Water moves into it and the molecule gets "bigger." The water moves in farther so more is absorbed.
Incredible Science Fun Learning Ideas:
A monster eyeball glares at you because of two different polymers. A polymer is made from identical molecules hooked together in a long chain like identical box cars in a long train. One part is water-loving (hydrophilic) and the other is water-fearing (hydrophobic). The first part is superabsorbent and grabs as much water as it can. The second part ignores the water completely and holds onto its monstrous shape so that the water-logged polymer can still be recognized for the ghoulish organ this gooey, gelatinous mass resembles: a disembodied eyeball! Don't stare - it's rude.
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Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
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