Supplies:
- Crayola Air-Dry Clay - White
- Crayola Watercolour Paints - 8 Count
- Crayola Variety Brush Set - 5 Count
- Plaster of Paris
- Paper Towels
- Water Containers
- Plastic Containers/Bowls - 1 per student
- Small Plastic Animals and Shells
- Water
Steps:
1
- Press some air dry clay into the bottom of the container.
- It should be about 3 cm deep.
2
- Press 3 or more objects into the clay.
3
- Remove the objects.
- You should see an imprint of the object in the clay.
4
- Follow the package directions to mix about 3 cups of Plaster of Paris.
- 2 parts Plaster of Paris powder to 1 part water
- measure the water in a mixing container
- measure the powder and place it in a separate container
- slowly start to sprinkle the powder over the water
- do not add the powder in one spot
- tap the sides of the container to get rid of air bubbles
- keep adding powder until it seems to sit on top of the water
- slowly stir the mixture until it is smooth and creamy
5
- Gently pour plaster of Paris over the air dry clay.
- It should be about 3.5 cm deep.
- Set the container aside and allow the plaster of Paris to dry for at least 2 days.
6
- Gently remove the plaster from the container.
- Brush away any bits of clay.
- Use watercolours or glitter watercolours to paint the fossil.
- Choose contrasting colours so the objects stand out from the background.
Subjects:
Language Arts,
Science,
Visual Arts
Grades:
Grade 3,
Grade 4,
Grade 5
