Last Wednesday (3/25/09), my son's school had a Science Fair. Their class project was 'Sink or Float Experiment'. I was so proud of him and his friends. The purpose was to find which objects will sink and which objects will float. So, they chose 7 objects such as ping pong ball, golf ball, penny, plastic spoon, pencil, spool and paper clip. Then they had to fill the clear plastic tub with water. After that, they dropped 1 object at a time into the tub and they observed & recorded which object will sink or float. So, the conclusion was all things are made of matter. The objects with more air will float and the objects with more matter and less air will sink.
Sunday, March 29, 2009
Science Fair
Last Wednesday (3/25/09), my son's school had a Science Fair. Their class project was 'Sink or Float Experiment'. I was so proud of him and his friends. The purpose was to find which objects will sink and which objects will float. So, they chose 7 objects such as ping pong ball, golf ball, penny, plastic spoon, pencil, spool and paper clip. Then they had to fill the clear plastic tub with water. After that, they dropped 1 object at a time into the tub and they observed & recorded which object will sink or float. So, the conclusion was all things are made of matter. The objects with more air will float and the objects with more matter and less air will sink.
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