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Students “discover” do-it-yourself fossils

Science+students+used+a+little+sand%2C+plaster+of+paris+and+water+to+prepare+their+very+own+fossils.
Science students used a little sand, plaster of paris and water to prepare their very own fossils.

Science students used a little sand, plaster of paris and water to prepare their very own fossils.

Science students used a little sand, plaster of paris and water to prepare their very own fossils.

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FOSSILS! They tell us a lot about our past.

They are made when an animal dies or otherwise leaves an imprint in the sand or dirt, which is then filled in with minerals and covered with sediment. Over millions of years, it turns to rock.

Cody Garner’s seventh-grade science students followed a similar process but took a lot less time.

First they gathered a bowl of sand, a shell or plastic dinosaur, a spray bottle with water, and a cup of powdered plaster of paris.

They sprayed the sand with water and smoothed it out. Then they pressed their shell or dinosaur into the sand, leaving an imprint.

Next, they mixed the water and plaster until smooth, and poured it into the imprint. Finally, they waited for the plaster to dry.

”This project helps the kids see how fossils are made and lets them keep a memorable item from seventh grade,” Garner said.

Samantha DeMarino made her fossil with three dinosaurs.

“I liked how much fun it was to make and learn about a topic at the same time,” Samantha said.

 

 

 

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