Building a Bionic Hand

In this activity, pupils will build a bionic hand made out of cardboard, strings, straws and rubber bands. They will relate the bionic hand to their own hand to understand the function of the fingers and the importance of the thumb, to grab or hold objects with different shapes and forms. Pupils will also learn that it would not be possible to move the human hand if it was only composed of bones. The pupils will understand how bones, muscles, tendons and ligaments work, by comparing them with the materials used on the bionic hand to move the fingers.  

When humans are working in space, or in environments such as the surface of Mars, they must wear pressurized space suits.  This means that it requires more force for them to grasp objects, as they are working against the pressure in the suit.  The development of bionic hands that can be remotely operated can help to complete tasks which would be difficult or tiring for a human. 

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