![]() ![]() Slime is a non-Newtonian fluid, which means the way it flows changes under stress.If a hagfish is stressed, it releases a small amount of slime (less than a teaspoon) which instantly expands by 10,000 times! To stay safe at night, parrotfish produce mucus cocoons to sleep in. When opossums feel threatened, they play dead and release a smelly mucus to ward off the predator. Some animals produce slime as a defense against predators.When slime gets stretched, the polymer chains unfold and straighten out, which is why slime can stretch without breaking. ![]() Before slime is stretched out, its polymer chains are all scrunched up. Glue contains flexible chain-like molecules called polymers.If they don’t, start a discussion using the questions below! During this activity, natural questions may come up. ![]()
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