Science Lessons At Cleveland School

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RAHWAY — Grover Cleveland School in Rahway welcomed parents during the week of Nov. 15 to celebrate American Education Week.   Pictured above, Mr. Smith and his daughter take part in a third grade science lesson.  Parents and students were involved in testing objects and deciding if they had magnetic properties.

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Do You See What You Hear?

Students in Ms. Bechelli’s fifth grade at Grover Cleveland school recently read “Islands of the Blue Dolphins.” In a related science lesson, they learned that dolphins use echolocation to navigate around objects, locate prey, and avoid predators. They make clicking noises to create sound waves which travel through the water, bump into objects, and echo back to the dolphins. The dolphins recognize the patterns that help them to “see” what lies ahead.

Students participated in a simulated echolocation investigation. One student was blindfolded and designated “dolphin,” while others represented prey, predators, or objects. The “dolphin’ emitted clicks, to which the students responded either “prey”, “predator,” or “object.” The “dolphin” moved through the space until it tagged someone and either ate or got eaten.


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