how to make a sand cast fossil by mrs. waytowich’s second grade roberge elementary school river...
TRANSCRIPT
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?