SIS News Archive

Grade 3 and the Structures of Life
Posted 05/21/2014 03:58PM


Students in third grade have been observing and interacting with live crayfish in class! Students have learned how to handle them carefully, set up an appropriate habitat, and attend to their needs. Throughout their investigations, the students have been focusing on the essential question: how does an organism's structure help it to survive? The students have identified the many structures which are essential for their survival. Below you will find some examples of their learning in their own words.
"A crayfish's structure helps it survive by helping it escape (legs), defend itself (pincers), and reproduce (egg pore), etc.." Catheline
"Crayfish have big pincers for many reasons. Pincers can protect the crayfish and can catch food. They can also help them rip food so it can eat." Matteo
"A crayfish needs walking legs to survive because if the crayfish didn't have legs the predator could catch it very easily because the crayfish wouldn't be able to move. Also, if they can't move they can't find food so they will die." Kelvyn

By: Kit Wilding, Grade 3 Teacher


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Shekou International School

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