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Posts Tagged ‘biolouminesence

I like watching videos where experts either explain difficult concepts to learners of different ages or just to kids. The video below is one of the latter.


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Explaining to an adult how to create bioluminescent plants from firefly DNA is challenging, much less kids. The two content experts from MIT were not quite comfortable teaching kids and their attempts illuminate some concepts about how students learn and what an effective teacher looks like.

When one content expert tried simplifying the concept of transferring bioluminescence, she ran into some trouble.

Expert: “…we just ask them to give us some chemicals”.
One child: “Do you tell them?”

Expert: “We just borrow the light from the fireflies…”
Another child: “Do you mean like real borrow or do you just keep it?”

The expert was visibly stunned by the kids’ questions and their teacher intervened with timely and appropriate answers.

An effective teacher is not just knowledgeable in content, she should also be a child and learning expert. As information mushrooms and knowledge needs to be constantly negotiated and updated, being the latter type of expert is critical.

The other expert got the kids to participate in a hands-on activity where they simulated bioluminescence by mixing chemicals in small vials. Instead of hearing about bioluminescence, they tried and saw for themselves.

This is not about appealing to different “learning styles” — which is a myth anyway — but to teach and reinforce with multiple methods and modes. That said, kids generally learn best by what stems from natural curiosity, i.e., experiencing and asking.

The teacher as a child and learning expert asked a critical question at the end of the experiment: “What do you think this could help solve?” She did not provide answers to her learners, but got them to generate answers that required them to think actively about what they just experienced.


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