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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. Step 1. First fill mold with sand. Scoop out a flat area. Press down objects and remove to imprint or leave in to embed. Step 2.
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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
Step 1 • First fill mold with sand. • Scoop out a flat area. • Press down objects and remove to imprint or leave in to embed.
Step 2 • Fill the mold with plaster of Paris. Use enough to cover the sand completely.
Step 3 • Let sand casts dry overnight.
Step 4 • Over a drop cloth, turn fossils upside down to remove excess sand. • Use a paintbrush to brush away remaining sand.