How to Make a Sand Cast Fossil By Mrs. Waytowich’s Second Grade Roberge Elementary School River...
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How to Make a Sand Cast Fossil By Mrs. Waytowich’s Second Grade Roberge Elementary School River Vale, New Jersey, USA March 2010
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Transcript of How to Make a Sand Cast Fossil By Mrs. Waytowich’s Second Grade Roberge Elementary School River...
How to Make a Sand Cast Fossil
By Mrs. Waytowich’s Second Grade
Roberge Elementary SchoolRiver Vale, New Jersey, USA
March 2010
Step 1First fill mold with
sand.
Scoop out a flat area.
Press down objects and remove to imprint or leave in to embed.
Step 2Fill the mold with
plaster of Paris. Use enough to cover the sand completely.
Step 3 Let sand casts dry
overnight.
Step 4Over a drop cloth,
turn fossils upside down to remove excess sand.
Use a paintbrush to brush away remaining sand.
Finished Projects
Do you like our sand cast fossils?